Humanoid robots are advancing at breakneck speed, and it’s all thanks to the relentless progress in artificial intelligence.

"I think by 2050 we are looking at a $7 trillion market for humanoids," Fei said. Tesla's (TSLA) Optimus is one prominent example of a humanoid robot in development, but dozens of other companies ...

But could these robots ever be good enough to beat a World Cup-winning squad of humans by 2050? "It's certainly plausible. I wouldn't bet too much on it but I wouldn't bet too much against it ...

There may still be a long way to go. Elon Musk believes there will be a humanoid robot in every home by 2050. Even then, there’s no guarantee we’ll feel super safe living with chatty machines ...