buddycloud

Buddycloud user ashkyd has been experimenting with Buddycloud's BOSH API interface and come up with mecloud. It's a cute Wordpress plugin that displays your location to your friends on a map. As you move around, updates are streamed to the frame. He's using openstreetmap for hyper-detailed maps. We like.

Even better, it's open source so you can hack on Ash's work: Grab the source from Git Hub.