Intro Links
1. http://mashable.com/2010/10/18/foursquare-4-million-users
2. http://www.adweek.com/news/technology/foursquare-says-10-million-members-have-embraced-check-132736
3. http://www.facebook.com/note.php?note_id=136144759732158
Understanding Foursquare
6-1)
6-2) http://publicrelationsblogger.com/2010/03/what-is-foursquare-introductory-guide.html
6-3) http://online.wsj.com/article/SB10001424052748704462704575590260880867750.html
Tips, Tactics and Foursquare
6-4) http://www.howcast.com/videos/386406-How-To-Unlock-Your-World-With-Foursquare
6-5) http://realtimemarketer.com/7-quick-steps-to-foursquare-marketing/
Extra Point – Evaluation and Security
6-7) https://foursquare.com/privacy/grid
6-8) http://adage.com/adagestat/post?article_id=146851
