Jamie Costello is Software Engineer Consultant with Microsoft Research, Cambridge. He has over 18 years of experience as software architect and engineer, working with a broad range of technologies and software environments, from microcontroller based solutions on factory floors right through to cross-platform media services and large web applications based on the latest cloud computing technologies. Over the years he worked with small start-up enterprises as well as large multinational companies, where he was brought in to reorganize development teams and make them more effective in solving problems and desining effective software architectures. Over the past 6 years he has worked with Microsoft’s flagship R&D centre in Cambridge on state-of-the-art technologies and novel concepts for mobile and Web services.