He used it cause noone else was doing it at the time..then just like the corny ass game is now..everybody started doing it..terribly too I might add..theres a reason TPain's autotune always sounded so clean vs everyone elses...nikkas ran his shyt to the ground and kicked him out the game ..now u got cats biggin up nikkas like Future who sound terrible with it and nikkas dead ass feel like Future is better than TPain...dude cant write..sing..rap..or use autotune better than TPain...dont got the hit line up either..and im not even a TPain fan like that...