What is the most obscure technological advance ever created?

[Allison K]

We have threads for most useful and most harmful, so now lets hear about the most obscure/odd/interesting gadgets and gizmos you've come across.

[Kyle]

That alarm clock that moves around when it goes off. That was odd but still somewhat usefull.

[EricH]

The alarm bed. Tips you out of the rack at the time you set it to. Creator: John Muir.

[Eugenia Gabrielov]

Most ever so definitly...I'd have to say those shoes in the 70s that had fish in them. Definitly. I really want one of those.

[Billfred]

Does the Segway count? I mean, it's pretty obscure (outside of FIRST competition venues), and it's definitely an advance.