Briefly, this is a map overlay which pools reports on police activity surrounding demonstrations, designed to counter the "kettling" confinement tactics used by

Briefly, this is a map overlay which pools reports on police activity surrounding demonstrations, designed to counter the "kettling" confinement tactics used by the London police in recent student protests. Best link for those who want to see how it works: their tutorial at http://sukey.org/tutorial http://sukey.org/tutorial Some of the press coverage, like the Economist piece here, is also oddly more informative than the web site itself: http://www.economist.com/blogs/babbage/2011/01/demonstrations http://www.economist.com/blogs/babbage/2011/01/demonstration... Unfortunately, their attitude towards security, at least as expressed in the FAQ, seems slightly worrisome. For groups without funding or world-class expertise "we'll release the code when we think it's OK" is a slower, less sure path to trustworthiness than "here it is now; please tell us what's wrong with it." But they claim to have (unnamed) experts on the project; I guess we'll see how soon they do a source release, and what shows up when they do...