NoobFeed Atilla Turan Editor writes – The shocking part came about when the trailer was released earlier than usual; a simple check on the Rockstars Twitter account revealed why. Someone leaked the video, and Rockstar had no option but to release the trailer early for the masses. It gathered millions of views in its first hours, and everyone was happy with what they had seen.
Source: N4G PC Brief Analysis of GTA VIs Trailer 1