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Beyond Point-and-Shoot
by Darrell YoungThere are two types of new photographers: those satisfied with their low-cost point-and-shoot cameras, and those more enthusiastic photographers who recognize the limitations of low-cost equipment and want to improve their pictures. No longer satisfied with simple snapshots, the enthusiast moves up to a more complex digital camera-one with interchangeable lenses and manual controls-to satisfy their artistic urge. Assuming little to no knowledge of photographic terms, techniques, or technology, Beyond Point-And-Shoot is intended to help smooth the transition from photographic newbie to "real" photographer who is experienced, in-control, and passionate about their craft. Author Darrell Young explores various types of interchangeable-lens cameras, focusing on those with larger imaging sensors, such as digital single-lens reflex (DSLR) cameras. Learn how to get the most out of your camera's automatic and semi-automatic exposure modes, as well as how to move beyond those modes and take full, manual control of your camera. Watch your photography improve as you discover how to apply important photographic principles, such as depth of field, white balance, and metering. With this newfound knowledge you'll move beyond point-and-shoot and begin taking truly great photographs. Other topics include: Camera types Lenses Aperture, shutter speed, and ISO Metering and shooting controls Lens focal lengths and angles of view The histogram Color spaces Sensors Filters Image file formats Managing digital noise And much more!
Beyond Privacy: People, Practices, Politics
by Sille Obelitz Søe, Tanja Wiehn, Rikke Frank Jørgensen, and Bjarki ValtyssonDiscussions around digital technologies, new media, platforms and information have long centred on the protection of personal data and privacy. This timely volume extends the conversation to address fundamental societal and structural issues from three perspectives: people, practices and politics. Organised around an international collection of case studies, the book provides a valuable contribution to our understanding of the challenges of privacy in the digital sphere, from emerging regulatory programmes to surveillance capitalism and big tech companies. Taking a multidisciplinary approach, this is a new and innovative perspective on our datafied societies that goes beyond privacy. It will be a key resource for scholars and students of communication and media studies, and science and technology studies.
Beyond Productivity: Information Technology, Innovation, and Creativity
by Committee on Information Technology CreativityComputer science has drawn from and contributed to many disciplines and practices since it emerged as a field in the middle of the 20th century. Those interactions, in turn, have contributed to the evolution of information technology – new forms of computing and communications, and new applications – that continue to develop from the creative interactions between computer science and other fields. Beyond Productivity argues that, at the beginning of the 21st century, information technology (IT) is forming a powerful alliance with creative practices in the arts and design to establish the exciting new, domain of information technology and creative practices—ITCP. There are major benefits to be gained from encouraging, supporting, and strategically investing in this domain.
Beyond Reality: Proceedings of 3rd International Multi-Disciplinary Conference - Theme: Integrated Sciences and Technologies (IMDC-IST 2024) Volume 1 (Lecture Notes in Networks and Systems #895)
by Mostafa Al-Emran Marco Valeri Alhamzah Alnoor Jaber H. Ali Zaid Alaa HussienThis book addresses recent research trends concerning the role of the Metaverse in advancing the education and finance sectors from various perspectives. These trends are explored through multiple case studies employing diverse analytical approaches. The chapters aim to aid scholars and postgraduate students in pursuing future research in this domain and identifying potential developments in Metaverse applications.
Beyond Reality: Proceedings of 3rd International Multi-Disciplinary Conference - Theme: Integrated Sciences and Technologies (IMDC-IST 2024) Volume 2 (Lecture Notes in Networks and Systems #876)
by Mostafa Al-Emran Marco Valeri Alhamzah Alnoor Jaber H. Ali Zaid Alaa HussienThis book explores current research trends in the context of the Metaverse’s impact on the tourism and marketing industries while delving into some case studies on education and finance. These trends are examined through various case studies utilizing distinct analytical methods. The chapters are expected to support scholars and postgraduate students in furthering their research in this field and in recognizing prospective advancements in the applications of the Metaverse.
Beyond Redundancy
by Eric Bauer Randee Adams Dan EustaceHow Geographic Redundancy Can Improve Service Availability and Reliability of Computer-Based Systems Enterprises make significant investments in geographically redundant systems to mitigate the very unlikely risk of a natural or man-made disaster rendering their primary site inaccessible or destroying it completely. While geographic redundancy has obvious benefits for disaster recovery, it is far less obvious what benefit georedundancy offers for more common hardware, software, and human failures. Beyond Redundancy provides both a theoretical and practical treatment of the feasible and likely benefits from geographic redundancy for both service availability and service reliability. The book is organized into three sections: Basics provides the necessary background on georedundancy and service availability Modeling and Analysis of Redundancy gives the technical and mathematical details of service availability modeling of georedundant configurations Recommendations offers specific recommendations on architecture, requirements, design, testing, and analysis of georedundant configurations A complete georedundant case study is included to illustrate the recommendations. The book considers both georedundant systems and georedundant solutions. The text also provides a general discussion about the capital expense/operating expense tradeoff that frames system redundancy and georedundancy. These added features make Beyond Redundancy an invaluable resource for network/system planners, IS/IT personnel, system architects, system engineers, developers, testers, and disaster recovery/business continuity consultants and planners.
Beyond Resilience: Patterns of Success in Fintech and Digital Transformation
by Leda GlyptisIs success pattern-based? Is the journey of successfully building new banks or services (either from scratch or in the context of a going concern) predictable enough to be repeatable? And if there are patterns, are they within our gift to replicate?Beyond Resilience: Patterns of Success in Fintech and Digital Transformation asks these questions and seeks answers among the people who have first-hand experience of building new things and who live to tell the tale.This book is not a hagiographic founder story that elevates the founder’s own narrative to a montage of challenge and resilience, grit, perseverance and a soaring successful crowning at the end: a narrative that, figuratively speaking, can play out while ‘Eye of the Tiger’ is blaring in the background. Nor is the book a series of vendor testimonials that cover in a few thousand words each their own triumphant digital projects. These stories are not untrue but can be too generic to be illuminating, too vague to be helpful and too hollow to be the whole truth.Filled with interviews from leading fintech entrepreneurs, this book strives to tell the whole truth about building new things. It shares the stories of leaders who admit that as they built their businesses, they learned a lot, changed a lot, and made mistakes and had to course-correct. The book attests that leading new fintech ventures or digital transformations, whether they are started with a blank sheet of paper or within an established entity, is hard and unpredictable. It requires control. It requires consistency and integrity. It requires standing strong either alone or with a team. It requires going beyond resilience.
Beyond Si-Based CMOS Devices: Materials to Architecture (Springer Tracts in Electrical and Electronics Engineering)
by Sangeeta Singh Durgesh Nandan Shashi Kant SharmaThis book focuses on summarizing recent research trends for new beyond-CMOS and beyond-silicon devices, circuits, and architectures for computing. It reports the recent achievements in this field from leading research trends around the globe, specifically focusing on nanoscale beyond silicon materials and devices, functional nanomaterials, nanoscale devices, beyond-CMOS devices materials, and their opportunities and challenges. The book is devoted to the fast-evolving field of modern material science and nanoelectronics, particularly to the physics and technology of functional nanomaterials and devices.
Beyond Smart Cities: Creating the Most Attractive Cities for Talented Citizens
by José A. OndivielaCities are experiencing unprecedented times. In addition of managing the best possible post-pandemic recovery, Cities are at the beginning of the 4th industrial revolution, and all want to play a relevant role in it. To achieve this, they must retain and attract the necessary talent. There is a fierce competition where cities transform to become as attractive as possible. But what makes a city attractive (from emotional and rational sides) to talented citizens? For mayors and city directors: how can I prepare my city for this goal? What kind of transformations in the medium-long term should I develop? And in the short term, what processes and technologies (SmartCity) should I put in place? And from the point of view of citizens: how do I choose the best city to develop my full potential? Which one offers me the best citizenship contract? Where am I going to enjoy the best services with the highest quality of life and lower taxes/cost of life? In addition, the city must be attractive, with a strong identity and dynamism and promising future. Can I find the cities that best suit my aesthetic and emotional preferences, and that also offer me the services that I consider a priority at the lowest cost to my pocket? Find all the answers in this book.
Beyond Spreadsheets with R: A beginner's guide to R and RStudio
by Jonathan CarrollSummaryBeyond Spreadsheets with R shows you how to take raw data and transform it for use in computations, tables, graphs, and more. You'll build on simple programming techniques like loops and conditionals to create your own custom functions. You'll come away with a toolkit of strategies for analyzing and visualizing data of all sorts using R and RStudio.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologySpreadsheets are powerful tools for many tasks, but if you need to interpret, interrogate, and present data, they can feel like the wrong tools for the task. That's when R programming is the way to go. The R programming language provides a comfortable environment to properly handle all types of data. And within the open source RStudio development suite, you have at your fingertips easy-to-use ways to simplify complex manipulations and create reproducible processes for analysis and reporting.About the BookWith Beyond Spreadsheets with R you'll learn how to go from raw data to meaningful insights using R and RStudio. Each carefully crafted chapter covers a unique way to wrangle data, from understanding individual values to interacting with complex collections of data, including data you scrape from the web. You'll build on simple programming techniques like loops and conditionals to create your own custom functions. You'll come away with a toolkit of strategies for analyzing and visualizing data of all sorts.What's insideHow to start programming with R and RStudioUnderstanding and implementing important R structures and operatorsInstalling and working with R packagesTidying, refining, and plotting your dataAbout the ReaderIf you're comfortable writing formulas in Excel, you're ready for this book.About the AuthorDr Jonathan Carroll is a data science consultant providing R programming services. He holds a PhD in theoretical physics.Table of ContentsIntroducing data and the R languageGetting to know R data typesMaking new data valuesUnderstanding the tools you'll use: FunctionsCombining data valuesSelecting data valuesDoing things with lots of dataDoing things conditionally: Control structuresVisualizing data: PlottingDoing more with your data with extensions
Beyond The Phoenix Project: The Origins and Evolution Of DevOps (Official Transcript of The Audio Series) (The Phoenix Project)
by John Willis Gene KimThis is a companion transcript of the audio series, Beyond The Phoenix Project, intended to be used for reference and to enable further research of cited material, and not as a standalone work.In the audio series, Gene Kim and John Willis present a nine-part discussion that includes an oral history of the DevOps movement, as well as discussions around pivotal figures and philosophies that DevOps draws upon, from Goldratt to Deming; from Lean to Safety Culture to Learning Organizations.The book is a great way for listeners to take an even deeper dive into topics relevant to DevOps and leading technology organizations.
Beyond Traditional Probabilistic Data Processing Techniques: Interval, Fuzzy etc. Methods and Their Applications (Studies in Computational Intelligence #835)
by Olga Kosheleva Sergey P. Shary Gang Xiang Roman ZapatrinData processing has become essential to modern civilization. The original data for this processing comes from measurements or from experts, and both sources are subject to uncertainty. Traditionally, probabilistic methods have been used to process uncertainty. However, in many practical situations, we do not know the corresponding probabilities: in measurements, we often only know the upper bound on the measurement errors; this is known as interval uncertainty. In turn, expert estimates often include imprecise (fuzzy) words from natural language such as "small"; this is known as fuzzy uncertainty. In this book, leading specialists on interval, fuzzy, probabilistic uncertainty and their combination describe state-of-the-art developments in their research areas. Accordingly, the book offers a valuable guide for researchers and practitioners interested in data processing under uncertainty, and an introduction to the latest trends and techniques in this area, suitable for graduate students.
Beyond Traditional Probabilistic Methods in Economics (Studies in Computational Intelligence #809)
by Vladik Kreinovich Nguyen Ngoc Thach Nguyen Duc Trung Dang Van ThanhThis book presents recent research on probabilistic methods in economics, from machine learning to statistical analysis. Economics is a very important – and at the same a very difficult discipline. It is not easy to predict how an economy will evolve or to identify the measures needed to make an economy prosper. One of the main reasons for this is the high level of uncertainty: different difficult-to-predict events can influence the future economic behavior. To make good predictions and reasonable recommendations, this uncertainty has to be taken into account. In the past, most related research results were based on using traditional techniques from probability and statistics, such as p-value-based hypothesis testing. These techniques led to numerous successful applications, but in the last decades, several examples have emerged showing that these techniques often lead to unreliable and inaccurate predictions. It is therefore necessary to come up with new techniques for processing the corresponding uncertainty that go beyond the traditional probabilistic techniques. This book focuses on such techniques, their economic applications and the remaining challenges, presenting both related theoretical developments and their practical applications.
Beyond jQuery
by Ray NicholusLearn about the most important concepts surrounding web development and demystify jQuery. This book gives you the confidence to abandon your jQuery crutches and walk freely with the power of the web API and JavaScript. Beyond jQuery doesn't just throw code at you - everything is explained in detail from the perspective of a jQuery developer. jQuery is often injected into web applications and libraries with no logical reason for pulling it in as a dependency. Many web developers don't really know when they need to use jQuery, and when they don't - it's just a standard step when setting up a new library or web application. But relying solely on jQuery as your window to the web leaves large gaps in your knowledge. This in turn results in frustration when the abstraction that jQuery provides "leaks" and exposes you to the native aspects of the browser. This book educates developers, reveals the magic behind jQuery, helps you solve common problems without it, and gives you more confidence to embrace the power of the web API and standardized JavaScript. What You'll Learn Use the web API and standardized JavaScript Determine when you need jQuery and when you don't Review common JavaScript utility functions Work with HTML elements Who This Book Is For Any web developer who is interested in learning how to live without jQuery, and deepening their understanding of web development.
Beyond the Basic Stuff with Python: Best Practices for Writing Clean Code
by Al SweigartBRIDGE THE GAP BETWEEN NOVICE AND PROFESSIONALYou've completed a basic Python programming tutorial or finished Al Sweigart's bestseller, Automate the Boring Stuff with Python. What's the next step toward becoming a capable, confident software developer?Welcome to Beyond the Basic Stuff with Python. More than a mere collection of advanced syntax and masterful tips for writing clean code, you'll learn how to advance your Python programming skills by using the command line and other professional tools like code formatters, type checkers, linters, and version control. Sweigart takes you through best practices for setting up your development environment, naming variables, and improving readability, then tackles documentation, organization and performance measurement, as well as object-oriented design and the Big-O algorithm analysis commonly used in coding interviews. The skills you learn will boost your ability to program--not just in Python but in any language.You'll learn: • Coding style, and how to use Python's Black auto-formatting tool for cleaner code • Common sources of bugs, and how to detect them with static analyzers • How to structure the files in your code projects with the Cookiecutter template tool • Functional programming techniques like lambda and higher-order functions • How to profile the speed of your code with Python's built-in timeit and cProfile modules • The computer science behind Big-O algorithm analysis • How to make your comments and docstrings informative, and how often to write them • How to create classes in object-oriented programming, and why they're used to organize code Toward the end of the book you'll read a detailed source-code breakdown of two classic command-line games, the Tower of Hanoi (a logic puzzle) and Four-in-a-Row (a two-player tile-dropping game), and a breakdown of how their code follows the book's best practices. You'll test your skills by implementing the program yourself.Of course, no single book can make you a professional software developer. But Beyond the Basic Stuff with Python will get you further down that path and make you a better programmer, as you learn to write readable code that's easy to debug and perfectly PythonicRequirements: Covers Python 3.6 and higher
Beyond the Creative Species: Making Machines That Make Art and Music
by Oliver BownA multidisciplinary introduction to the field of computational creativity, analyzing the impact of advanced generative technologies on art and music.As algorithms get smarter, what role will computers play in the creation of music, art, and other cultural artifacts? Will they be able to create such things from the ground up, and will such creations be meaningful? In Beyond the Creative Species, Oliver Bown offers a multidisciplinary examination of computational creativity, analyzing the impact of advanced generative technologies on art and music. Drawing on a wide range of disciplines, including artificial intelligence and machine learning, design, social theory, the psychology of creativity, and creative practice research, Bown argues that to understand computational creativity, we must not only consider what computationally creative algorithms actually do, but also examine creative artistic activity itself.
Beyond the Echo Chamber: Reshaping Politics Through Networked Progressive Media
by Jessica Clark Tracy Van SlykeStrategies and success stories: &“A must read for media practitioners, consumers, and progressives of all stripes.&” —Chris Hayes In the twenty-first century, a new breed of networked progressive media—from Brave New Films to Talking Points Memo to Feministing and beyond—have informed and engaged millions, influencing political campaigns, public debates, and policymaking at unprecedented levels. In Beyond the Echo Chamber, media experts Jessica Clark and Tracy Van Slyke tell the story of the rise of progressive media and lay out a clear, hard-hitting theory of ongoing impact. A vital strategic guide based on years of research and extensive interviews with key media players and new media experts, Beyond the Echo Chamber will change the national conversation about progressive media and the future of journalism itself. For progressive journalists, bloggers, producers, activists, citizens, and policymakers committed to change, here is a roadmap to victory.
Beyond the Horizon of Computability: 16th Conference on Computability in Europe, CiE 2020, Fisciano, Italy, June 29–July 3, 2020, Proceedings (Lecture Notes in Computer Science #12098)
by Florin Manea Marcella Anselmo Gianluca Della Vedova Arno PaulyThis book constitutes the proceedings of the 16th Conference on Computability in Europe, CiE 2020, which was planned to be held in Fisciano, Italy, during June 29 until July 3, 2020. The conference moved to a virtual format due to the coronavirus pandemic. The 30 full and 5 short papers presented in this volume were carefully reviewed and selected from 72 submissions. CiE promotes the development of computability-related science, ranging over mathematics, computer science and applications in various natural and engineering sciences, such as physics and biology, as well as related fields, such as philosophy and history of computing. CiE 2020 had as its motto Beyond the Horizon of Computability, reflecting the interest of CiE in research transgressing the traditional boundaries of computability theory.
Beyond the Internet of Things: Everything Interconnected (Internet of Things)
by Constandinos X. Mavromoustakis George Mastorakis Jordi Mongay Batalla Evangelos PallisThe major subjects of the book cover modeling, analysis and efficient management of information in Internet of Everything (IoE) applications and architectures. As the first book of its kind, it addresses the major new technological developments in the field and will reflect current research trends, as well as industry needs. It comprises of a good balance between theoretical and practical issues, covering case studies, experience and evaluation reports and best practices in utilizing IoE applications. It also provides technical/scientific information about various aspects of IoE technologies, ranging from basic concepts to research grade material, including future directions.
Beyond the T-Test
by Scott A. PardoThis book was inspired by years of questions asked by non-statistical professionals, from social scientists, public policy analysts, regulatory affairs specialists, engineers, and physical scientists. It provides them with both an intuitive explanation of many common statistical methods and enough mathematical background to help them justify those methods to others, such as regulatory agencies. It provides an introduction to commonly used methods that are not covered in a first elementary statistics course, such as partial least squares, MCMC, and neural networks. It also provides R code for making all the computations described in the text. As a textbook, it could be used as a second course in statistics for non-statisticians, in fields such as social sciences, public policy, engineering, chemistry, and physics. Many first-year graduate students have had an elementary statistics course, but were not exposed to enough of the mathematics to justify the application of those methods. Furthermore, they often encounter methods and concepts not touched upon in their first statistics course. This book provides the tools required to give a deeper understanding of statistical methods without being all about theorems and proofs.
Beyond the Valley: How Innovators around the World are Overcoming Inequality and Creating the Technologies of Tomorrow (The\mit Press Ser.)
by Ramesh SrinivasanHow to repair the disconnect between designers and users, producers and consumers, and tech elites and the rest of us: toward a more democratic internet.In this provocative book, Ramesh Srinivasan describes the internet as both an enabler of frictionless efficiency and a dirty tangle of politics, economics, and other inefficient, inharmonious human activities. We may love the immediacy of Google search results, the convenience of buying from Amazon, and the elegance and power of our Apple devices, but it's a one-way, top-down process. We're not asked for our input, or our opinions—only for our data. The internet is brought to us by wealthy technologists in Silicon Valley and China. It's time, Srinivasan argues, that we think in terms beyond the Valley.Srinivasan focuses on the disconnection he sees between designers and users, producers and consumers, and tech elites and the rest of us. The recent Cambridge Analytica and Russian misinformation scandals exemplify the imbalance of a digital world that puts profits before inclusivity and democracy. In search of a more democratic internet, Srinivasan takes us to the mountains of Oaxaca, East and West Africa, China, Scandinavia, North America, and elsewhere, visiting the “design labs” of rural, low-income, and indigenous people around the world. He talks to a range of high-profile public figures—including Elizabeth Warren, David Axelrod, Eric Holder, Noam Chomsky, Lawrence Lessig, and the founders of Reddit, as well as community organizers, labor leaders, and human rights activists.. To make a better internet, Srinivasan says, we need a new ethic of diversity, openness, and inclusivity, empowering those now excluded from decisions about how technologies are designed, who profits from them, and who are surveilled and exploited by them.
Beyond the Worst-Case Analysis of Algorithms
by Tim RoughgardenThere are no silver bullets in algorithm design, and no single algorithmic idea is powerful and flexible enough to solve every computational problem. Nor are there silver bullets in algorithm analysis, as the most enlightening method for analyzing an algorithm often depends on the problem and the application. However, typical algorithms courses rely almost entirely on a single analysis framework, that of worst-case analysis, wherein an algorithm is assessed by its worst performance on any input of a given size. The purpose of this book is to popularize several alternatives to worst-case analysis and their most notable algorithmic applications, from clustering to linear programming to neural network training. Forty leading researchers have contributed introductions to different facets of this field, emphasizing the most important models and results, many of which can be taught in lectures to beginning graduate students in theoretical computer science and machine learning.
Beyond the Zone System
by Phil DavisThis fourth edition of Beyond the Zone System makes the science of photographic sensitometry both accessible and useful to interested photographers. It will appeal to any serious photographer interested in knowing how the materials and processes of black-and-white photography work. Instead of describing rote procedures to be followed blindly, this book provides the basis for understanding what needs to be done and why. This book relates theory to practice in a way that promotes a true partnership of science and art. Beyond the Zone System bridges the gap between the more theoretical aspects of the photographic process and the popular empirical procedures used by many photographers in the attempt to predict and control the quality of their photographs in practice.This book is intended primarily for photographers who use large-format cameras and black-and-white sheet film, but the basic information about how the B&W photographic materials and processes work will be useful to users of any B&W film format.Beyond the Zone System, 4th ed. will appeal to any serious photographer interested in knowing how the materials and processes of black-and-white photography work. Instead of describing rote procedures to be followed blindly, this book provides the basis for understanding what needs to be done and why. This book relates theory to practice in a way that promotes a true partnership of science and art.
Beyond-CMOS Technologies for Next Generation Computer Design
by Rasit O. Topaloglu H.-S. Philip WongThis book describes the bottleneck faced soon by designers of traditional CMOS devices, due to device scaling, power and energy consumption, and variability limitations. This book aims at bridging the gap between device technology and architecture/system design. Readers will learn about challenges and opportunities presented by “beyond-CMOS devices” and gain insight into how these might be leveraged to build energy-efficient electronic systems.
Bezonomics
by Brian DumaineCómo Amazon está cambiando nuestras vidas y lo que han aprendido de ellas las mejores compañías del mundo Una mirada profunda, reveladora e imparcial al modelo de negocio de Amazon que no sólo ha dominado el mundo, sino que lo está cambiando. Como Henry Ford con Ford, Sam Walton con Walmart, o Steve Jobs con Apple, Jeff Bezos y su Amazon son la historia de negocios de la década. El hombre más rico del planeta y el futuro primer trillonario del mundo ha construido una de las máquinas creadoras de riqueza más eficientes en la historia que representa el 2% del ingreso de Estados Unidos, gastado en cerca de 500 millones de productos enviados desde sus almacenes a 17 países. Amazon no sólo ha transformado completamente la industria de las ventas al menudeo y los servicios de almacenamiento enla nube, ahora sus tentáculos están ahorcando a los medios y a la publicidad, perturbando la tecnología, la economía, la creación de empleos y la sociedad como la conocemos. Su impacto es tal que los líderes de todos los sectores alrededor del mundo necesitan entender cómo opera este engrane. Basado en reportes sin precedentes de 150 fuentes de dentro y fuera de Amazon, Bezonomics revela los principios que Jeff Bezos utiliza para dominar los mercados -obsesión por el consumidor, innovación extrema, enfoque a largo plazo, inteligencia artificial- y muestra cómo los han tratado de replicar otras compañías en el mundo. Dumaine comparte las estrategias para probar tu negocio en Amazon y para competir con el gigante del retail, y, más importante, responde a una pregunta fundamental: ¿cómo Amazon y sus imitadores afectan el mundo en el que vivimos y qué podemos aprender de ellos? Una mina de oro para muchos, una amenaza para otros, el modelo Bezonomics se ha convertido en una fuerza modeladora de la vida que toda persona debe conocer para entender el presente y mirar hacia el futuro.