The Sega Toylet is completely controlled by the user's urine and the sensors in the bowl measure the speed and strength of the, uhhh...flow.
There is also an LCD screen to display the speed, length, strength and accuracy of the pee play, with an incentive to win points to be uploaded to a flashdrive and traded in for prizes.
Implications - Now, this is the kind of product that simultaneously fascinates and depresses me. Has it really come to this? This is what we're doing with the technological advancements we've made? Nevertheless, check out the Sega Toylet in the attached video, I promise urine for a treat. If you ever forgive me for making that pun.