Twitter is without a doubt the best way to share and discover what is happening right now....

Bored with generic social networks? Come join the fun on hi5! Every day, millions of people meet up, hang out, play games and have fun on hi5. Check it out....

A feature rich and free blog hosting platform offering professional and fully customizable templates, bookmarklets, photos, mobile apps, and social network...

An online service to create, customize, and share a social network....

Match.com is the leader in online dating with more dates, more relationships & more marriages than any other relationship-building site....

Formspring lets you share personal and interesting responses with people you know....

The Idea Swap is a social experiment that lets you exchange your unused ideas with other people....