In a move that angered customers and generated waves of online pique, Amazon remotely deleted some digital editions of the books from the Kindle devices of readers who had bought them.

"L.A. Candy" is a new teen novel by Lauren Conrad, the star of MTV's reality-TV hit "The Hills".  Like all novels set in LA it contains a relatively twisted sex scene. A reality-show sound engineer wires a beautiful college freshman as she prepares to play herself, for the first time, before television cameras.

MTV Networks believes it has found a better answer for short-form online video advertising than the derided 30-second pre-roll - very short video spots (five seconds long) accompanied by corresponding but slightly delayed display ads.

Bill Grueskin, Dean of Academic Affairs at Columbia University Journalism School, explains why newspapers should stop blaming aggregators for their problems.

Few concepts in business have been as popular and appealing in recent years as the emerging discipline of "open innovation".

Who knew Twitter, Facebook and MySpace were gateway drugs? It started off as something social, but now some California medical marijuana dispensaries are using the popular social networks to update their clientele, and anyone else who's interested, on what they have to offer.

Amazon's just filed a number of patents that point to the inevitable but perhaps undesirable expansion of advertising onto its much-vaunted Kindle e-reader.

Producers and advertisers are discovering that users, aided by the screen-filling video that faster internet access allows, will watch longer videos online.