The birther movement is referenced in the boys asking Cartman to prove he has a real iPad, which he can't do. Barack Obama, on the other hand, has produced the long form birth certificate birthers have been asking for ever since he became President.
Reference to Star Trek: Amok Time - the Geniuses gathering for the Quickening (from Highlander) and are using Vulcan words like Kali fi.
Butters has finally hit the big time! When the show started there were the four boys. Butters came in when Kenny died "for good" and the other three boys were looking for a replacement. Butters remained in the story after Kenny came back, but wasn't always onscreen with the other boys. This episode marks the first time Kenny is with the other boys for the entire episode, so now we have the Fab Five: Stan, Kyle, Cartman, Butters, and Kenny. :D
Geek Squad becomes Nerd Patrol. :D
me.com is Apple's MobileMe Web site.
Paste is "peisuto" in Japanese.
"I've even been to me" - refers to the song "Never Been To Me", by Charlene, where she recounts all the things she's done in her life except found out who she really is, and then expresses admiration for women who lead traditional lives of marriage and family.
Lesson of the episode: People, read the contract before you sign, just in case things are happening in there that didn't happen before and you might inadvertently get screwed without knowing it.