“... the Kindle is a "roach motel" device: its license terms and DRM ensure that books can check in, but they can't check out.”

“The garage door slid open as we pulled into the driveway, registering the sensors Shaun and I wear around our neck. In case of viral amplification, the garage becomes the zombie equivalent of a roach motel: Our sensors get us in, but only a clean blood test and a successful voice check gets us out. If we ever fail those tests, we’ll be incinerated by the house defense system before we can do any further damage.”

“You can check out any time but you can never leave.”

“Cash or check, cash or check. Cash is better than check. Check, check, check, have a bowl of checkers, but keep a plate for chess.”

“It's good to have money and the things that money can buy, but it's good, too, to check up once in a while and make sure that you haven't lost the things that money can't buy.”

“The man behind the check-in counter gives the impression that he has just axe-murdered the motel's owner (and family, and family pet) and is going through these procedures of hostelry so as not to arouse suspicion.”