Retail Brands should be monitoring Foursquare; rewarding customers

I am sure someone else has already thought of this but the idea came to me after I ousted @Mediaphyter from her mayorship of 24 Hour Fitness on Arques in Sunnyvale. It would have been awesome to walk through the doors prepping for my work out and see something like this staring at me on the wall:

http://www.britopian.com/wp-content/uploads/2009/11/foursquare1.jpg

The fact is...