I’ve had terrible trouble explaining to people how Creative Commons licences might enable new forms of collaborative art – I just don’t have that sort of imagination. Luckily, other people do have it, as the CC blog reports. So, you get an open-licensed picture from one website, draw or remix a random doodle on another, then combine and mess around with the result on a third site which creates a unique URL at which the final product can be viewed. Print that picture on a T-shirt along with a barcode that can transfer the URL into a suitable mobile device, and all of a sudden there’s something very cool and very weird going on…