Backpacks tend not to look all that different from one another. Most of the time you’ll find two straps, a zipper running from side to side, and a few extra pockets. Booq’s new Boa Squeeze bucks that trend, at least somewhat. It’s one of the most distinctive-looking backpacks we’ve seen in a while, although it still accomplishes the same task of lugging your stuff around. Naturally, it was designed to hold your favorite MacBook…