TO GO WITH AFP STORIES byGelnn Chapman, Lifestyle-US-IT-software(FILES) Picture taken 30 November 2006 shows Microsoft Chief Executive Officer Steve Ballmer talking to the press during the product launch of 2007 Microsoft Office system and Exchange Server for business customers at the NASDAQ in New York. June 27, 2008, will be Bill Gates' last day at Microsoft, which he co-founded 33 years ago and transformed into a world empire of data processing. Gates will remain nonexecutive chairman and will devote his time to the Bill and Melinda Gates Foundation. The reins of Microsoft will be given to Ballmer. AFP PHOTO/Timothy A. CLARY/FILES