This unofficial library in Ruby language supports the Foursquare Merchant API. It aims to facilitate new campaigns, specials, and venues. Instructions to use Ruby as a gem available as two single lines of code to choose from. Quickstart includes campaigns, specials, and venues. Created by Tim Olshansky.
Before paintings hang in museums, the artists put brush to canvas out in the real world. A new site is looking to tie the two together with geocoded art. However, rather than show the location where you can see the artwork, it is instead mapped to the location depicted in the work.