GamesRadar has reported that there have been some changes made to to Wii U tablet controller since it was first revealed at the 2011 Electronic Entertainment Expo.

If you look above, you will see that the controller come equipped with new analog sticks as opposed to the 3DS-style circle pads seen on the E3 prototype.  Other changes include a change in location of the Start and Select buttons.  These buttons are now located on a right-hand side of the Wii U tablet.  The controller also includes a small square on the left hand side which did not appear on the original version.

According to GameSpot “The official picture has since been yanked, and the user’s Twitter account has been deleted entirely. As of press time, Nintendo had not responded to GameSpot’s request for comment.” It would appear some people are quite upset

Source: GameSpot