If you know the internet, you must know the term Web 2.0!! Web 2.0 basically means web-based applications. Some examples are:
- Flickr - web based photo management system
- Meebo - web based MSN/yahoo messenger type application
- Wikipedia - Encyclopedia
- del.icio.us - adding internet bookmarks
- MySpace - social interaction online
- YouTube - videos
- Digg - internet news
- Skype - Voice Chat software
- eBay - internet shopping / selling
Basically, in all of them you can do things previously you did offline (no internet). All of these applications allows you to open a free account and interact with other users. Try them!!
And finally, a cool video about Web 2.0...