I would like a third arm please. A third arm product would help disabled people alot but please make it in a way that two armed people can use it as a third... or fourth arm.
I'm just thinking of office workers with carpal tunnel just slapping a third arm onto their shoulder and using that to do work while their bodies heal.
"Anybody using the spare arm today, guys?"
Where does the third arm go? In the middle of your chest like a Vortigaunt? I feel like two extra arms would be the way to go. I could hold my notepad and my coffee at all times.
Why just a third arm? Extra productive workers could mount an extra arm above and below each shoulder for a total of six arms. And a prehensile tail for good measure!
And then next we could invent fusion! Wait, why does this sounds familiar?