Anthony Wood describes his platform as the Apple alternative in his field -- like Android or Windows, except for streaming-video boxes. Wood is CEO and founder of Silicon Valley-based Roku, which makes TV set-top boxes that play movies and TV shows from Netflix (NFLX) or Amazon.com (AMZN), games from MLB.TV and other entertainment delivered via the Internet, also called "over the top TV." Milestones for the Netflix spinoff include selling more than