Last night, Facebook’s 23-year-old founder and CEO Mark Zuckerberg appeared on “60 Minutes,” the most watched TV news magazine the US. The interview didn’t necessarily break any new ground for those of us that cover the company regularly, but it was the first time Zuckerberg appeared in front of tens of millions of viewers to explain what Facebook is, why people use it, and where it’s going. If you missed it, the video is embedded above. Today's poll: