Zyb allows users to automatically auto-sync their contacts and calendar to ZYB’s servers.  If you’ve ever had your cell phone die on you or simply just lost it, you know what a pain it is to try to retrieve all that data back.  Often you can just call your cell phone company to get a list printed out, yet they don’t always have access to your phone list.

Overall Zyb is trying to make your mobile phone list a more social activity.  Current sign up is easy for european users, USA users often find that they have to manually add in all their contacts.