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Web 2.0

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Transcript

  • 1. Web 2.0
    • Introduction
    • Characteristics
    • Technology
    • Working
    • Usage
  • 2. Introduction
    • Web 2.0- is commonly associated with web applications that facilitate interactive information sharing,interoperability,user-centered design,and colloboration on the world wide web.
    • Web 2.0 include web-based communities, hosted services, web applications, social-networking sites, video-sharing sites, wikis, blogs, mashups, and folksonomies.
  • 3. Characteristics
    • Web2.0 allows users to do more than retrive information.
    • They can built an interactive facilities of web 1.0 to provide network as platform.
    • Users can own the data on a Web 2.0 site and exercise control over that data.
    • The characteristics of Web 2.0 are: rich user experience, user participation, dynamic content, metadata, web standards and scalability.
  • 4. Characteristics
    • Web 2.0 Rich user experience, user participation, dynamic content, metadata, web standards and scalability.
    • The concept of Web-as-participation-platform captures many of these characteristics.
    • Bart Decrem, a founder and former CEO of Flock, calls Web 2.0 the participatory Web and regards the Web-as-information-source as Web 1.0 .
  • 5. Technology
    • Web 2.0 sites provide users with information storage, creation, and dissemination capabilities that were not possible in the environment now known as Web 1.0.
    • Features of Web 2.0 are
    • search
    • Links
    • Authoring
    • Tags
    • Extensions
    • Signals
  • 6. Working
    • The client-side/web browser technologies typically used in Web 2.0 development are Asynchronous JavaScript and XML (Ajax).
    • Adobe Flash and the Adobe Flex framework, and JavaScript/Ajax frameworks such as Yahoo! UI Library, Dojo Toolkit, MooTools, and jQuery.
    • The data fetched by an Ajax request is typically formatted in XML or JSON (JavaScript Object Notation) format, two widely used structured data formats.
    • Since both of these formats are natively understood by JavaScript, a programmer can easily use them to transmit structured data in their web application.
  • 7. Working
    • When this data is received via Ajax, the JavaScript program then uses the Document Object Model (DOM) to dynamically update the web page based on the new data, allowing for a rapid and interactive user experience.
    • Adobe Flex is another technology often used in Web 2.0 applications.
    • Compared to JavaScript libraries like jQuery, Flex makes it easier for programmers to populate large data grids, charts, and other heavy user interactions.
  • 8. Usage
    • The popularity of the term Web 2.0, along with the increasing use of blogs, wikis, and social networking technologies.
    • It has led many in academia and business to coin a flurry of 2.0s,including Library 2.0, Social Work 2.0, Enterprise 2.0, PR 2.0, Classroom 2.0, Publishing 2.0, Medicine 2.0, Telco 2.0, Travel 2.0, Government 2.0, and even Porn 2.0.