have you ever been in a store and you do not know where you need to go, because you are being flooded with so much information, this is how you feel on this website: http://www.ligne-en-ligne.com/
If you are going to build a social network today, you MUST have two objectives: 1. Convince the user to get off Facebook and use your system instead. 2. Keep your users on your website as long as possible before they move back to Facebook.