After continued requests for access to more Yelp data, and additional API functionality, Yelp has launched a developer preview of a brand new API. The Yelp API was rebuilt from the ground up. Yelp envisions the new features, data, and architecture will simplify the developer experience.
Location-based social game FourSquare no longer has limits to where it can be used. When users click on their city name below the header of the website, they see a search box to enter a new city. Previously the service supported about 100 cities worldwide and anyone who lived elsewhere was out of luck.
Google announced Friend Connect today, a new service that will allow any web site to enable social networking features for their visitors. And the key piece of the strategy is that to do so only takes a few lines code, similar to the ease with which AdSense ads can be to any web page.