1. Working well
1.1. Collaboration Tools
1.1.1. Google Docs
1.1.2. Skype
1.1.3. Google Wave
1.1.4. wikis
1.1.5. SurveyMonkey
1.2. Professional Networks
1.2.1. ALAconnect
1.2.2. WebJunction
1.2.3. LinkedIn
1.3. Productivity tools
1.3.1. Remember the Milk
1.3.2. Delicious
1.3.3. BibMe
1.4. Cloud Computing
1.4.1. Google Docs
1.4.2. SlideShare
1.4.3. DropBox
2. Information seeking
2.1. Crowdsourcing
2.1.1. Digg
2.1.2. Wikipedia
2.1.3. Twitter
2.1.4. Flickr
3. Gaming & Game Construction
3.1. Scratch
3.2. Yahoo! Games
3.3. Bejeweled
4. Keeping in touch, Staying in the loop
4.1. Audio and Video Chat
4.1.1. Skype
4.2. News
4.2.1. Twitter
4.2.1.1. HootSuite
4.2.1.2. Tweetdeck
4.2.2. Blogs & RSS Readers
4.2.2.1. Blogger
4.2.2.2. GoogleReader
4.3. Community
4.3.1. Ning
4.3.2. Facebook
4.3.3. MySpace
4.4. Podcasts & Vidcasts
4.4.1. YouTube
4.4.2. iTunes
4.5. Chat & Instant Messaging
4.5.1. Meebo
4.5.2. Yahoo Instant Messenger
5. Enjoying & Sharing
5.1. Book sharing
5.1.1. GoodReads
5.1.2. LibraryThing
5.2. Music sharing
5.2.1. Pandora
5.2.2. Playlist
5.2.3. iTunes
5.3. Other Communities
5.3.1. Ning
5.3.2. Twitter
5.3.3. Flickr
5.3.4. Facebook
5.3.5. MySpace
6. Creating new stuff
6.1. Mashups
6.1.1. Woozor
6.1.2. TrackThis
6.2. Crowdsourcing
6.2.1. Wikipedia
6.2.2. Digg
6.2.3. Starnet Photo Gallery
6.3. Programming
6.3.1. Ning
6.3.2. Scratch