<img src="http://tctechcrunch.files.wordpress.com/2010/11/shopkick.jpg" class="shot2">After <a href="https://techcrunch.com/2010/08/16/best-buy-shopkick-257-stores/">announcing a partnership</a> with
<img src="http://tctechcrunch.files.wordpress.com/2010/11/stickybits-v2.png">
Foursquare and Facebook Places are popularizing the location check-in. Instagram and PicPlz are perfecting the photo che
<img src="http://tctechcrunch.files.wordpress.com/2010/08/foursquare-online-store-5-pack-of-buttons.png">
It's a bad month to be Foursquare or Gowalla. Ten days ago, 900-pound gorilla Facebook <a
<img src="http://tctechcrunch.files.wordpress.com/2010/08/k.png" alt="" title="k" class="alignright size-full wp-image-203711" />Earlier, we wrote about <a href="http://shopkick.com">shopkick</a>, a c
<img class="alignright size-full wp-image-203471" title="Screen shot 2010-08-03 at 11.19.59 AM" src="http://tctechcrunch.files.wordpress.com/2010/08/screen-shot-2010-08-03-at-11-19-59-am.png" alt="" /
<img src='http://www.crunchbase.com/assets/images/resized/0005/3346/53346v2-max-250x250.jpg' class="shot" alt="" /><a href="http://www.shopkick.com/">Shopkick</a>, a startup that's focused on bridging
<img class="alignright size-full wp-image-165225" title="fir" src="http://tctechcrunch.files.wordpress.com/2010/03/fir.jpg" alt="" width="300" height="225" />In terms of location data, few get more th
<img class="alignright size-full wp-image-164950" title="a" src="http://tctechcrunch.files.wordpress.com/2010/03/a8.png" alt="" width="280" height="427" />Last night, we wrote about a <a href="https:/
<img class="alignright size-full wp-image-164852" title="crunch" src="http://tctechcrunch.files.wordpress.com/2010/03/crunch.png" alt="" width="160" height="160" />There are no shortage of <a href="ht
<img src='https://techcrunch.com/wp-content/uploads/2010/03/cw1.jpg' class="shot" alt="" /><a href="http://www.causeworld.com/">CauseWorld</a>, a mobile app that lets users check in to retail shops fo
<img src="http://tctechcrunch.files.wordpress.com/2010/01/causeworld1-215x128.jpg" width="215" height="128" />
<a href="http://www.causeworld.com/">CauseWorld</a> (<a href="http://itunes.apple.com/us
<img src="http://tctechcrunch.files.wordpress.com/2009/12/cw1-133x200.jpg" width="133" height="200" />Six months ago I <a href="https://techcrunch.com/2009/07/17/stealth-mobile-startup-mobshop-has-ser