Brightkite allows you to annotate your life by location and meet people in real time based on the places you go.
Add me on Brightkite: http://brightkite.com/people/jerad
Follow me on Twitter: http://twitter.com/jeradhill
If you need an invite to Brightkite click here. I am out of personal invites. Brightkite was kind enough to hook me up with a link.
Price: Free
App Store Link: 
Developer Link
