Foursquare builds a new ad business on your check-ins
 

Remember that time you battled a random stranger become the "mayor" of your local coffee shop on Foursquare? Don't worry if you don't, because Foursquare remembers and now it's going to use that data as part of Pinpoint, its new advertising solution....

http://www.engadget.com/2015/04/14/f...=rss_truncated