Apple's Steve Jobs Talks Microsoft, Gates, Ballmer in New Bio
http://www.eweek.com/c/a/Mobile-and-Wireless/Apples-Steve-Jobs-Talks-Microsoft-Gates-Ballmer-in-New-Bio-604826/

He also reserves some choice words for current Microsoft CEO Steve Ballmer. “When the sales guys run the company, the product guys don’t matter so much, and a lot of them just turn off,” he said. “It happened at Apple when Sculley came in, which was my fault, and it happened when Ballmer took over at Microsoft.” As a consequence, “I don’t think anything will change at Microsoft as long as Ballmer is running it.”