Does everyone know about this Windows 8 Trick, or is it just me?

Ok, I was reading a few articles over the past 24/48 hours regarding tips and tricks when using Windows 8/8.1, and I couldn't help but notice that none had mentioned my favorite trick. I just wanted to post in here to see how many people knew about this.

The trick is, and I don't even know if it is a trick, but when you have multiple apps sharing the screen, whether it be Metro apps or the Desktop 'app', you can maximize one of the split screen apps by double clicking (mouse) on the hand icon when at the top edge of the screen. And once you are finished with the app in maximized view, you can double click on the same hand icon to have it go back to the split screen view that you had before maximizing.

Does many people know about this, or is this so obvious that it's not even considered a trick?

Anyway, keep up the good work Tribe, and have a happy holidays!!