peoplesound is popular for its exclusivity and the number of things you can do to keep your virtual network as good as hanging out at the coffee shop. For one thing you can stay connected to your network through free SMS as well as the web browser. Status updates are made much simpler and faster through this. You can get news feeds from Webnews, another integrated feature, directly through SMS, allowing you to immediately let your network know your take on the latest happenings. Vivid profiles, pictures and the ability to see whoever in your group is online so as to interact with them.
for example, if you would a virtual online area where talk privately, peoplesound is your social network! :-)