London actually is starting to trump Boston in terms of Startup community quality. Strong in online advertising, gaming and mobile sectors. Super high quality i

London actually is starting to trump Boston in terms of Startup community quality. Strong in online advertising, gaming and mobile sectors. Super high quality investors here (Atomico, Index, Accel). Its expensive here, but if you want to take on an untapped market and expand your horizons, this is a tough yet good place to start.