How on Earth?

No, that’s the wrong way to say it. Firstly, here’s the Angry Birds launch promotion done by NASA on the International Space Station:

Things have changed at NASA. Astronaut job applicants now require good communication skills and proven sales experience.

Techcrunch asserts that the origin of the collaboration was a tweet from NASA to Rovio but maybe that’s just social media spin angular momentum?

Here’s how you do ad business with NASA: you need a Space Act Agreement.