1. WEB 2.0
 BASICS OF WEB 2.0
 CHARACTERISTICS
 TECHNOLOGY
 APPLICATION
 USAGE
 CRITICIUM

2. INTRODUCTION
 The term "Web 2.0" (2004–present) is commonly
associated with web applications that facilitate
Information sharing, interoperability, user­centered
design and collaboration on the World Wide Web.
 Information sharing­Traditional information sharing
referred to one­to­one exchanges of data between a
sender and receiver.

3. INTRODUCTION
 Interoperability­The ability of diverse systems and
organizations to work together (inter­operate).
 User­centered design­ Is a design philosophy and a
process in which the needs, wants, and limitations of
end users of an interface or document are given
extensive attention at each stage of the design process.
 Collaboration­Is a recursive process where two or
more people or organizations work together in an
intersection of common goals

4. Web 2.0 Includes
 web­based communities
 hosted services,
 web applications,
 social­networking sites,
 video­sharing sites,
 wikis,
 blogs,
 mashups, and
 folksonomies.

5. CHARACTERISTICS
 It allow users to do more than just retrieve information.
 "Network as platform" computing, allowing users to
run software­applications entirely through a browser.
 Rich user experience, user participation, dynamic
content, metadata, web standards and scalability.

6. FEATURES AND TECHNIQUES
 S ­Search – Find information using keyword
 L ­Links ­ Connects information together
 A ­Authoring ­ create and update content
 T ­Tags ­ Categorization of content by adding tags
 E ­Extensions – Makes app platform /doc server
 S ­Signals ­ use of syndication technology such as RSS
to notify users of content changes

7. Web Applications
 Ajax has prompted the development of websites that
mimic desktop applications, such as word
processing, the spreadsheet, and slide­show
presentation.
 Web Based Applications:
 ­­­­> Internet applications
 ­­­­>XML and RSS
 ­­­­>Web APIs

8. Usage
 The popularity of the term Web 2.0, along with the
increasing use of blogs, wikis, and social networking
technologies
 Blogs, wikis and RSS are often held up as exemplary
manifestations of Web 2.0.
 Miller links Web 2.0 technologies and the culture of
participation that they engender to the field of library
science

9. Criticism
 Critics of the term claim that "Web 2.0" does not
represent a new version of the World Wide Web at all.
 Featured in implementations on networked systems well
before the term "Web 2.0" emerged.
 "Nobody really knows what it means...If Web 2.0 for
you is blogs and wikis, then that is people to people.
But that was what the Web was supposed to be all
along."