1. Blog
1.1. Blogger
1.1.1. share your opinions and favourites with friends
1.1.2. digital diary
1.1.3. make your own webpage
1.1.4. free of charge
1.2. Our Blog
1.2.1. new mode of online learning and collaboration
2. Search Engine
2.1. Yahoo
2.2. Google
2.3. Ask.com
2.4. AltaVista
2.5. Lycos Search
2.6. ERIC
3. Social repositories
3.1. Youtube
3.1.1. share your video and comments
3.2. Flickr
3.2.1. share your photos and comments
3.3. Slideshare
3.3.1. share your slides and comments
4. Social Bookmarking
4.1. Risal
4.1.1. find resources
4.1.2. share resources with classmates
4.1.2.1. classification with the resources
4.1.3. searching the web
4.1.4. adding assests
4.1.5. access the web by using tags
4.1.6. repository of interactive social assets for learning
4.1.7. free of charge
4.2. del.icio.us
5. Explore Web2.0 tools
5.1. use Voicethread
5.1.1. digital library for sharing images, videos, documents
5.1.1.1. make comments
5.1.1.1.1. use of webcam
5.1.1.1.2. record voice
5.1.1.1.3. typing words
5.1.1.2. link to Blogger, email...
5.1.2. free of charge
5.2. GO2WEB20
5.2.1. collection of web2.0 sites
6. RSS Feeds
6.1. Podcasting
6.1.1. an audio recording which allows people to subscribe, upload and listen to audio online
6.1.2. free of charge
6.2. Protopage
6.2.1. collecting information
6.2.2. get updated information
6.2.3. convenient to view information from varies website in one website
6.2.4. personalize your own protopage
6.2.5. others can access and view your website
6.2.6. free of charge
6.3. Bloglines
6.4. Newsgator
7. Social Networking
7.1. Facebook
7.1.1. connect people around the world
7.2. Twitter
7.2.1. sharing online instanly