Hijinks ensue. What we learn from that? Don’t open your mail unless you’re certain what’s in it. Especially not in microgravity. Or - keep Yackety Sax ready to play.
What it actually is is astronaut Scott Kelly, who’s about to go home, making sure NASA money is well spent for a final video... :)
In case you have embedded Facebook blocked (like I normally do :) ) here’s the link to the page.