It's easy to forget he made his name as Kelso on That '70s Show. Since
then the 33-year-old actor has fashioned himself into the most
social-media-savvy figure in Hollywood, an investor in and adviser to
tech's hottest properties, not only remaking his image but reinventing
everyone's idea of the geek. Oh, and he's about to return to TV on Two
and a Half Men. So, really, who's "winning" now?