Remember when you wanted to meet a friend at a certain time, and you had no way of contacting them while you waited? If not, you're probably not old enough to be using the Internet. But anyway, life was a lot different before cell phones.
_Twenty Pixels has broken down the B.C. (before cell phones) vs. A.D. (after d... uh, cell phones) eras in a funny cartoon below. Which one do you prefer?