“Imagine if there were a separate door for each shelf of your refrigerator, and each of those doors had its own combination lock. That’s the state of the modern entertainment center, and the hand-held devices we use to manipulate it. The remote control was supposed to make life easier, but instead it’s led us into a labyrinth of bad design. How did we get here, and where are we going?” (There are, in fact, answers to those questions.)