In a move guaranteed to delight fans of the Two Ronnies, Amazon appears to be making four kindles for release later this year – and a smartphone too

Our love of tablets isn’t going to fade any time soon, it seems: according to the latest research from NPD DisplaySearch, tablets accounted for one-quarter of all mobile PC shipments in 2011. That’s an impressive 72.7 million devices, representing a growth rate of 256%