I am curious how many other people can find meaning from "I Want You Gone" that doesn't solely apply to the story of Portal 2. I, personally, really felt the lyrics "remember when you tried to kill me twice," "I used to want you dead but now I only want you gone," when applied to my marriage and ex-wife.
Carbonaro Effect bit where he's acting as a hotel desk person and when someone tries to check out, he jokingly says "You can check out any time you'd like, but you can never leave!" Then he slowly fades out of existence while laughing.
I just got a sudden craving for James Blunt to make a return hit that's just a sequel to You're Beautiful where he tracks down the girl from the subway and it ends with him wearing her face like a mask.
Imagine if Disney Land changed the Jungle Cruise ride but the only change was that all the boat operators that tell the stupid puns are Dwayne Johnson lookalikes.