Jeff Bezos was quick to see the potential of the internet, but has seemed slow to latch on to mobile commerce. With a new smartphone, can he turn that around? By Charles Arthur
Charles Arthur: A closer look at the big announcements of Apple's developer conference shows a plan to tempt Android users to iOS - and to bind existing users even more tightly
There's a lot more sex in games these days – but it looks nothing like you'd expect. From iPad orgasm simulators to strip tease puzzlers, Cara Ellison has seen it all
From colour theory to cultural awareness, psychologist Dr Simon Moore explains the compulsion secrets hidden in games like Candy Crush Saga. By Steve Boxer
Children of all ages are spending hours every day playing videos games, yet many parents struggle to understand why. Here's our essential guide. By Keith Stuart