Louis Rosenberg, founder of Immersion Corp., turned down an offer of millions from Microsoft for his startup (it makes joysticks with "force-feedback" technology for video games and other applications). He appeared online to explain why he said "no" in this Business Week Enterprise chat, presented as part of America Online's Your Business Dinner series. Enterprise is a special edition of BW published seven times annually for small business and entrepreneurs. Online with Lou Rosenberg was Fred Strasser, editor of Enterprise.