http://twitpic.com/1c3iv8

Via @wonderchook http://twitter.com/wonderchook/status/11347356355

That looks like a lovely Mapnik (http://mapnik.org) rendering of

OpenStreetMap (http://openstreetmap.org) data in the ESRI booth at

Where 2.0, doesn’t it?

Surely the attribution is there, somewhere?