The lightbulb of the future? Summary: Silicon Valley's Luxim has developed a lightbulb the size of a Tic Tac that gives off as much light as a streetlight. News.com's Michael Kanellos talks to the company about its technology and its plans to expand into various markets. March 18, 2008 -- 09:58 GMT (02:58 PDT) Loading... Please wait. Topic: Mobility Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.