1. Mobile Social Networking Elton Chung Columbia University COMS6125 WHIM

2. What is Mobile Social Networking Social Network Services: –Software for building online social networks for communities (virtual) of people who share interests and activities or who are interested in exploring the interests and activities of others Mobile Social Network Services –Use of social network services on mobile devices

3. Why Mobile? Increase use of mobile devices Billion dollar industry Integration of internet services

4. MSNS Technologies SMS/MMS XHTML Social Mapping

5. SMS/MMS Short Messaging Service (SMS) –Text based –Blogging, messaging, Wall posting –Simple, Easy to use, bandwidth efficient Multimedia Messaging Service (MMS) –Two phases Upload pictures and video Streaming video

6. XHTML WAP 2.0 –Wireless application protocol (open standard) providing basic services to mobile devices XHTML-MP –Stricter version of HTML extending XHTML basic –Adds presentation elements, application authors and support for internal style sheets

7. XHTML (cont)

8. Social Mapping SMS based –Dodgeball GPS based –Loopt

9. Social Mapping (cont)

10. MSNS Limitations Security –WiFi and AP spoofing –Social Mapping issues Limited Technology –XHTML-MP –Physical limitations

11. Future of Social Networking Limitations can be overcome New technology with room for growth and improvements Help spur innovations of new mobile technologies

12. Questions?