Nokia Lumia 800 – review
The Carl Zeiss lens means that the new Nokia Lumia 800, its first running Windows Phone, is a fantastic camera. But is the software good enough to compete with smartphone rivals?

Love's labour's located: how I plotted Shakespeare's London with an iPhone app
My new app uses Apple geo-positioning to guide you around the playwright's favourite haunts and sites of significance – even when they're long disappeared

The digital reading revolution
Devices such as the Kindle and iPad are changing the way we think about books – but who will control the future of reading?

We no longer go to maps, they come to us
Google, Foursquare et al make online maps our egocentric own. It's all a long way from the cartographical gems of old

Virtual worlds: is this where real life is heading?
The registered population of online communities such as Second Life and Blue Mars is greater than that of the US and Europe combined. Today's residents of the simulated universe aren't just socialising but doing big business