Why is this not a standard yet?

So I bought a mouse for my laptop earlier today. It looks like this when I take it out of my backpack:



Then I pull on the cord and voila:



When I'm done I push on the button in the middle of the cord-thingy. And just like magic:



My question is: Why is this not a standard when it comes to cellphone chargers, extension cords, TP-cables etc etc yet?

It would forever rid the world of this:



Well, that's all for now. Peace out!