And as Jason Townsend, the Deputy Social Media Manager at NASA explained, it’s just the beginning as far as social-media outreach is concerned:

“We're always looking for new opportunities to connect with new audiences and share information about our missions, programs, and people. We're always exploring where the public is, and figuring out where social media is headed next. We are on the most popular platforms — and when new ones emerge, we'll go there, too.”

Read more: http://www.readwriteweb.com/archives/nasa-successful-in-social-media-games-and-apps.php