Definition of Web 2.0
von Wan Stella2003

1. What is Web 2.0?
1.1. Style of application
1.1.1. AJAX
1.1.2. Content
1.2. Focused
1.2.1. Small
1.2.2. Nimble
1.3. Social
1.3.1. Public
1.3.2. Collaborative
1.3.3. Democratic
1.4. Open
1.4.1. APIs
1.4.2. Interconnected
1.5. Dynamic
1.5.1. Fresh
1.5.2. Always in Beta
2. Blogging
2.1. Principles
2.1.1. Voice
2.1.2. Beat
2.1.3. Permalinks
2.1.4. Trackback
2.1.5. Comments
2.2. Platforms
2.2.1. blogger
2.2.2. WordPress
2.2.3. posterous
3. Focused Sharing
3.1. Principles
3.1.1. Hosting
3.1.2. Ratings
3.2. Platforms
3.2.1. SlideShare
3.2.2. Flickr
3.2.3. YouTube
4. Social Networking
4.1. FaceBook
4.2. MySpace
4.3. LinkedIn
5. Technologies
5.1. RSS
5.2. AJAX
5.3. Scripting
5.4. Widgets
5.5. Tagging
6. Wikis
6.1. Principles
6.1.1. Collaborative
6.1.2. Authoritative
6.1.3. Self-correcting
6.2. Platforms
6.2.1. c2
6.2.2. Wikipedia
7. Twitter-like
7.1. Principles
7.1.1. Short Messages
7.1.2. Broadcast
7.1.3. Mobile
7.2. Platforms
7.2.1. Plurk
7.2.2. Utterz
7.2.3. Pownce
7.2.4. FriendFeed
7.2.5. twitter