The Register has a run-down of some notable -- and expensive -- errors made by Steve Ballmer while he was the CEO of Microsoft.
But this [the acquisition of Nokia] wasn't the first time one of Ballmer's plans cost Microsoft some serious coin. In fact, on several occasions during his tenure he bet big on the wrong idea when he probably should have known better, ultimately costing the company millions or even billions in the process.
While it's true that Ballmer's 14 years in the corner office left Microsoft a more profitable and more valuable company than when he first became chief exec, his legacy also includes a series of bad gambles that didn't pay off. Here we remember a few of the biggest ones – and time will tell whether Nadella can avoid similar mistakes.