“If you’ve been on the Internet in the last few years, chances are you’ve wasted a good amount of time on YouTube. It’s a wonderful place, full of kittens, drugged-up children and people who thought it was a good idea to tape themselves imitating their favorite performers. But if you’re not a prolific amateur filmmaker, you might feel a little limited in what you can do. There are actually a handful of cool things you can do with a YouTube account or with found videos, including re-dubbing, setting alarms and …