Plaxo Pulse. Bringing life to your address book.

People you know are creating great online content everyday: photos, blogs, wishlists, playlists, profiles, and more, all over…

http://pownce.com/

Send messages, files, links, and events to your friends. Create a network of friends and share stuff. It's free and easy…

WHAT'S POWNCE?
Pownce is a…

StumbleUpon discovers web sites based on your interests, learns what you like and brings you more.

del.icio.us is a social bookmarking website -- the primary use of del.icio.us is to store your bookmarks online, which allows you to access the same bookmarks from any computer and…