ZYB

ZYB is a mobile phone utility and social networking site. ZYB started in 2005 as a european service to provide easy back-up services for mobile phones. Using this information, they have built a social networking platform based upon this data set. Given the importance of mobile phones in Europe, ZYB has built in Twitter like location based functions into the service. For more information please see this [MobileCrunch](http://mobilecrunch.com/2006/06/06/mobilecrunch-exclusive-first-look-at-zyb-the-free-data-backup-and-contact-and-calendar-synchronizer-for-your-mobile/) article from when ZYB launched.