You could meet the chairman of Microsoft, but you"ll have to profess a passion for Windows first. Microsoft is looking for true stories about people using Windows computers to pursue a passion or hobby. The company plans to use them in a marketing blitz tied to the 20th anniversary of Windows" debut. To entice essay submissions, Microsoft is offering a number of prizes, including the chance to meet Gates in Seattle and appear in the ad campaign. Other prizes include an overseas trip with National Geographic Expedition, VIP access to a major movie premiere and a home makeover with an HGTV designer.