DOC -- When flying, sit by the window with your camera and Flickr account. Then contribute to the Docworld Mapping Project when you return to base. This project would appeal to geography, geology, aviation and meteorology freaks who cannot be prised from their window seats. Just point your lens out the window and snap away at the landscape slipping away below. With the Docworld Mapping Project, thousands of anonymous shots suddenly have a purpose. Flickr them, tag as Docworld, and watch other come by to identify their locations. There are no prizes, but I've seen some spectacular shots.