My first reaction was a kneejerk nerdy nitpick: "A dollar bill? Isn't Robocop supposed to be in the future? Wouldn't he just upload his debit information to the vending machine via his dataspike?"

There is an even deeper Star Trek reference in this episode, but you would have to be a fan of The Original Series novel by Pocket Books to catch it. Julia Ecklar wrote a book called The Kobayashi Maru in which, among other things, Mr. Sulu describes how he folded more than 600 paper cranes during his Academy days. "In ancient Japan, cranes were revered for their grace and beauty," Sulu said. "It was believed that if you folded one thousand paper cranes while meditating, you could create a miracle." Of course the book also mentions how cranes can be mistaken for ducks, after a long while...