Make, Meet, Network and Socialize with Friends from the confort of your Mobile phone It's free, and always will be.
Facebook helps you connect and share with the people in your life. 
Stay in Touch with Colleagues and Friends.
Searching your email contacts is the easiest way to find people you already know on LinkedIn. (eg. hotmail.com, gmail.com, yahoo.com, aol.com) 

MySpace                            
Make and Meet Friends Here