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.
Facebook has rewarded a 10 year-old boy from Finland with a $10,000 bounty for discovering an authentication-related vulnerability in the Instagram API that could have enabled a hacker to delete comments of any user on the popular social photo sharing service even without an Instagram account.
Map mashup developers take note. Google has just announced that it has made several changes to the Google Maps base map, which now includes several new base layers as well as well as more detailed information.