Mobile social address book

A mobile social address book is a phonebook on a mobile device that enables subscribers to build and grow their social networks. The mobile social address book transforms the phone book on any standard mobile phone into a social networking platform that makes it easier for subscribers to exchange contact information.^[1] The mobile social address book is the convergence of personal information management (PIM) and social networking on a mobile device. While standard mobile phonebooks force users to manually enter contacts, mobile social address books automate this process by enabling subscribers to exchange contact information following a call or SMS.^[2] The contact information exchange occurs instantaneously and the user's phonebook updates automatically. Mobile social address books also provide dynamic updates of contacts if their numbers change over time.