“We literally watched all of Compton during the times that we were flying, so we could zoom in anywhere within the city of Compton and follow cars and see people.” This was just a test of a mass surveillance system. But it could be coming to a city near you.

+ Quentin Hardy in the NYT: How urban anonymity disappears when all data is tracked.

+ In Kansas City, tracking technology helped police find a highway shooter. Do the upsides of surveillance outweigh the downsides? (You can just answer that silently in your head and your vote will be automatically tallied.)