Live event: Mark Zuckerberg speaks to astronauts in space
Facebook's first ever live event from space took place when Facebook CEO, Mark Zuckerberg spoke to astronauts at International Space Station. Mark Zuckerberg chatted live with three astronauts. He asked them questions that were posted by viewers and all of this happened on NASA's Facebook page. Prior to answering to a question of Mark Zuckerberg, astronauts did a zero gravity flip.