Sony PS3 controller predates Wii by a slight margin, but just did not advertise its use of motion sensing, and today all modern smartphones and tablets include motion sensing. Latest on the scene are Smart TVs which require motion sensing in order to "point" at buttons on the screen.
Wii controller was pretty much the first among all to use motion sensor as a remote controller. 6 years after launching of Wii, motion sensors are used primarily in remote control and gaming. What are the other products that are using motion sensors?