NICTA (ICT research organisation in Australia) have something similar: http://www.tiniwiki.com/main/ http://www.tiniwiki.com/main/ I believe it's a demo applic

NICTA (ICT research organisation in Australia) have something similar: http://www.tiniwiki.com/main/ http://www.tiniwiki.com/main/ I believe it's a demo application of some compression technology they've developed that can be updated with more recent content easily, but my first thought on hearing about it was "Didn't Patrick Collison already do this?"