Google screen rotate trick

just type 

"do a barrel roll " to your browser and see result 

The term started becoming popular in the 1920s, during the early days of dogfighting. According to Know Your Meme, the phrase do a barrel roll comes from the 1997 video game Star Fox 64, where a character named Peppy Hare repeatedly insists that the player perform the maneuver to avoid being hit by lasers.