10 reasons why having a real bionic arm would be the best thing ever

It extends. It retracts. It spins. It grips. It pulls. Bionic Arm is without doubt a very cool appendage. The bionically enhanced commando uses it to deflect bullets, swing like a baboon, toss exploding barrels about and, er, unscrew things. But if by some miracle of modern science or Frankensteinian butchery Bionic Arm could be grafted on to our own body, how would we utilize the magical telescopic