Obviously you couldn't have the release of the most pre-ordered new IP without an official launch trailer. Although not as cool as the "101 Trailer" released last week, Ubisoft released the Watch Dogs Launch Trailer yesterday for our viewing pleasure:
Watch Dogs is launching May 27, 2014, on PC, PlayStation 4, PlayStation 3, Xbox One, and Xbox 360, with the Wii U version coming at an undisclosed later date. PC gamers can get the game free with the purchase of select NVIDIA GPUs, which may be necessary for some of you, considering the game's steep PC requirements.
Source: Press Release