SANTA CLARA, Calif. -- Bill Joy is a fix-it kind of guy. He improved UNIX to make it more stable because, as an admin, he got tired of driving to the computer lab to reboot the machines. He helped James Gosling perfect Java. Now, he wants to fix the Silicon Valley economy by pushing it toward renewable energy. In an onstage discussion with journalist Brent Schlender, Joy outlined his vision of how

SAN JOSE, Calif. – Craig Newmark wants to clear up a few misconceptions about the popular community site he started back in 1995. In his keynote at the UGC Conference & Expo here this week, Newmark started with a joke and then said something that may have surprised users of the mostly free classifieds site, which almost seems to go out of its way to avoid profit. "I don't think there's anything no