The first thing....

[xTordX]

Street lights

 

[WitherBlaster]

Stoplights

 

[playerismc]

Lava Lamp

 

[lenscas]

that thing that for some reason broke while not in use

 

[gold49]

A TV my family once had

 

[WitherBlaster]

4k resolution.

 

[ljfa]

Needlessly large screens

 

[WitherBlaster]

Awesome but Impractical

 

[gold49]

Jet engine powered skateboards

 

[lenscas]

overboard

 

[xTordX]

Hoverboard

 

[WitherBlaster]

Back to the Future

 

[lenscas]

why would you

 

[gold49]

Edit: Ninja, but I think it still works for "why would you?"

Self-tying shoes

 

[lenscas]

uh.......why?

 

[WitherBlaster]

why would you

Back to the Future 2 is what popularized the hoverboard.

uh.......why?

They had those in Back to the Future 2 too.

 

[gold49]

Edit: Dang Ninjas
Confusion

To answer your question, why would you want self-tying shoes rather than eliminating the tying part all together somehow?

 

[xTordX]

Because shoes look better with laces (personal experience)

 

[WitherBlaster]

Logic is dead.

 

[lenscas]

problem is before logic can die it needs to exist first