Fun tool: 'We extracted the colours from 10 million of the most “interesting” Creative Commons images on Flickr. Using our visual similarity technology you can navigate the collection by colour.'
Good news from the BBC. I like a lot of Banksy's work: he's a witty satirist. But he's not the second coming of Botticelli, and we need to nip in the bud the idea that his work is so artistically important that it should be preserved at all costs.