Sync.ME matches between your phone contacts and their social network profiles.
Sync.ME brings in social network information according to social network guidelines. More information about privacy and policy can be found here: http://bit.ly/OmhwfE
Sync.ME does not retrieve phone numbers from social networks, or give out (sync) phone numbers to other users’ devices.
In addition, it does not bring in all of your social network friends into your address book. To find out more check out here: http://bit.ly/1F2ftG5