NASA Taps YouTube for Social Media in Space

International Space Station astronaut Mark Polansky has just posted a video on NASA's YouTube channel inviting users to post questions to him using the video response format, and send him links via Twitter -- you can be one of the first to follow his channel here. He'll be responding (in space!) live on NASA Television.

Forty years ago this coming July 20th, Neil Armstrong broadcast his first steps on the moon to the world via flickery TV images. Today, NASA engages space-exploration fans via YouTube and social media. A small, and exciting step for a video sharing platform...