Everyone know that the game Angry Birds become a phenomenon over the past year. There's even people who called it "

Angry Birds Addiction Syndrome", what most of people doesn't know is the mecanisms behind this game and what really triggers this addiction.

A study by

AYTM investigated the psychological and sociological motives behing Angry Bird, and showed us you the users mood changes while they are playing.

Here's the result of this study:











Large infographic here