According to Jason Townsend, NASA’s social media manager and the person in charge of NASA’s organizational accounts, the choice of platforms is a “multi-factored” discussion. He rattles off a list of questions that he and his colleagues ask when helping astronauts post to social media: “Do we have the capacity for that? Is it bringing a new audience, or a new way of displaying content? Do we have somebody we could reach on there that we couldn’t reach elsewhere?”

Read more: http://www.popsci.com/how-nasa-trains-astronauts-for-instagram-and-beyond