A little over a week ago, Netflix unveiled a set-top box for watching on-demand movies and TV. The content box — dubbed the “Netflix Player” — was developed by the ingenious team at Roku.We were curious about the box and how it came to be, so we chatted with Tim Twerdahl, the VP of Consumer Products for Roku. Tim told us a little about the guts of the box, the future of the set-top box, and what he’s watching now. Here’s what we found out…Hey Tim, what powers the Player?Tim: It’s running on Linux and we’re