At its annual F8 developer conference, Facebook yesterday announced the launch of Graph API 3.0 as well as enhanced developer app review. The third version of the company's Graph API contain a number of changes to Facebook Login and the /comments edge and what data is returned.
What's that guy at the coffee shop typing into his computer? These days you may actually be able to find out. If he's using Twitter or FourSquare, nearby messages can be called up using the APIs. The new Geosay mashup does exactly this, showing tweets and tips near your location--or any location you request.