You're a geek, you. Yup. There's no denying it. As are we. And the whole population of London is too. We're a big stinking sweaty cauldron of geekiness, us Londoners, with our love of wi-fi and all. It's something we're rightly proud of, and now we've got the stats to prove it. Online consultant Enhance Media asked some 12,000 people across the UK to fill in an electronic test on their computer usage. Entitled......