High-tech visionary still looking ahead (Friday, June 6, 2008 Deborah Gage,Ann Fernholm, Chronicle Staff Writers) Steve Jurvetson has already proven himself in Silicon Valley as an alpha venture capitalist. Among his many successful bets was Hotmail, the e-mail service acquired by Microsoft back in 1997, making e-mail free for the masses and cementing Jurvetson's reputation as a high-tech seer. ステ