In the world of "Self Parking" there are some cool examples:
And well that's about it...cars that can park themselves are pretty neat, because well cars are heavy...but slippers? They are light. They are easily movable. They didn't need "self parking"...? Also, do you walk on the wheels that the slippers move on? Will they work on carpet? HOW MUCH ARE THEY?!?!
OH, it's only at one Japanese inn and isn't available to the public! Well, innkeeper my big question to you is...how do I know which slippers are mine? Cause I don't wanna wear Yoshi's stinky slippers all day, I wanna wear MINE!
All joking aside, this is the route technology is taking and honestly I'm cool with it.