There’s been a lot of hoopla over the past couple of years about Twitter’s so-called “firehose.” Essentially, it’s an open stream of all their data that is provided to developers to use for third-party apps. Foursquare has a firehose of its own, but access to it has been on lock down. Today, for SXSW, Foursquare opened up its firehose a bit more.

Social Great, a service which tracks trending places in cities back on location data, has just gotten access to this firehose of data. This allows them to show in realtime the trending places throughout Austin, Texas, where SXSW is taking place. The service also pulls in data from Gowalla, Brightkite, and GraffitiGeo (Loopt). → Read More