At Google Hangouts it is easy to send someone an animated gif. Consequently Google have chucked in a few special animations, just because they can (via Mental Floss)

Typing in “/Pitchforks” in a Google Hangouts dialogue box will launch a stream of angry townspeople racing across the screen with pitchforks. “/ShyDino” will feature a green dinosaur hiding behind a small house in your chat window, while typing “/BikeShed” will also change the background color. And they didn’t forget My Little Pony: Friendship is Magic in Google Hangouts, either: Typing in “/Ponies” or “/Ponystream” will make animated ponies dash across your chat window.