<img class="shot2" src="http://tctechcrunch.files.wordpress.com/2010/11/placepopcard.jpg" alt="" />Foursquare. Gowalla. SCVNGR. When it comes to location-based services, games are obviously red-hot, a
<img src="https://techcrunch.com/wp-content/uploads/2010/09/placepopshot.png" alt="" />Facebook Places appears to be off to a strong start, with integration into services like Gowalla, Yelp, and SCVNG
<a href="http://www.placepop.com"><img class="shot2" src="http://tctechcrunch.files.wordpress.com/2010/07/placepop-1.png" alt="" /></a>It's no secret that loyalty programs — like those hole-punch