The document summarizes a quarterly meetup for geo and mobile developers held in October 2010 in London. It provides the agenda which included talks on Tweetdeck, a multiplayer game called Chromaroma, visualizing the London Cycle Hire Scheme, and building mobile location-based services apps for non-experts. It also announces the next meetup in February 2011 with details on signing up, following on Twitter, and requesting speaker suggestions.