The thing about barrel rolls is you must do them, but sometimes your environment doesn't permit it. Maybe you're in a meeting or maybe you're locked up in a jail cell -- hey, we're not here to judge. Well, if the cops didn't end up taking your smart phone or, more oddly, your laptop, you can do a barrel roll right now.
All you have to do is load up google and type in "do a barrel roll," sit back and enjoy the ride. And if you're looking for some more Google Easter Eggs, here's a few.