How many times has this happened to you: you buy a product, get it home, open up the box, and find out it's a completely different product? Sure, it happens. But, have you ever tried buying an iPad, only to find the box full of clay?
I think I've purchased textbooks for the last time. And it's not just because I happen to be graduating from college this December. It's because those big heavy textbooks may soon be replaced with a sleek, shiny iPad.