What is Web 2.0?
What is Web 2.0? This is a new technical expression. It is the use for World Wide Web (WWW) technology. Web 1.0 is the use for the most websites. It is normal and rarely unchangeable website. A lot of people think Web 2.0 is a new standard of technology. Actually, it is not. O’Reilly Media gave a example to describe this word. If DoubleClick is Web 1.0, Google AdSens is Web 2.0. If Ofoto is Web 1.0, Flickr is Web2.0.
In October 2005, O’Reilly Media mentioned that the differences between Web 1.0 and Web 2.0.
And then they also said the Web 2.0 websites typically include some of the following features/techniques:
‧Cascading Style Sheets to aid in the separation of presentation and content
‧Folksonomies (collaborative tagging, social classification, social indexing, and social tagging)
‧Microformats extending pages with additional semantics
‧REST and/or XML- and/or JSON-based APIs
‧Rich Internet application techniques, often Ajax-based
‧Semantically valid XHTML and HTML markup
‧Syndication, aggregation and notification of data in RSS or Atom feeds
‧mashups, merging content from different sources, client- and server-side
‧Weblog-publishing tools
‧wiki or forum software, etc., to support user-generated content






