AOL is now offering developers who create applications using the Open AIM API the opportunity to make money. AIM Money is a new revenue-share platform where developers profit from ads they embed into their Open AIM applications.
Foursquare, the leading location-based social tool, announced a major new initiative last week to expand its location database to include cross-references to corresponding venue listings from other services. As characterized in the announcement post on the company blog, the goal is to make Foursquare the missing "Rosetta Stone for location, allowing you to link information about a real-world place from one database to any other." Now it's not just about using Foursquare, but connecting it to other services.