Social networking (LinkedIn, MySpace, Facebook)
Web-based email (Gmail, Yahoo, Hotmail)
Photo-sharing (Flickr, Photobucket, Picasa)
Blogging platforms (Blogger, WordPress, Xanga, VOX)
Content aggregation tools (RSS)
Aggregated blog subscriptions, per 20 feeds
Micro-communication (Twitter, Jaiku, Pownce, IMs)
Reviews and classifieds (Yelp, Craigslist, Zillow)
Online maps (Google Maps, Google Earth, MS Live Earth, Yahoo Maps)
