Portal 2 reference:

http://www.youtube.com/watch?v=xeKMS62GrTI

Edit: It's clear that someone in NASA is a Portal fan - they sent a laser-etched image of Wheatley up with an HTV-3 resupply craft:

http://www.escapistmagazine.com/news/view/118637-NASA-Sends-...

I'm not sure, but I suspect that the Portal 2 reference might itself be a reference to the recurring Muppet Show sketch "Pigs in Space" (pronounced Piiigs innn Spaaace).

https://www.youtube.com/watch?v=tYjbkRktqIE

Their menu items on the left are even spelled that way.

http://www.nasa.gov/content/blue-origin-test-fires-new-rocke...

Yeah, I'm pretty sure you're running a http://xkcd.com/1288/ browser extension.

!!!!

Doh haha you are totally right. Completely forgot about it.

Thanks.