There is more than one player in this space, maybe Meta won't succeed, but maybe another will. To your point, I think the biggest challenge is still in the hard

There is more than one player in this space, maybe Meta won't succeed, but maybe another will. To your point, I think the biggest challenge is still in the hardware. It has improved since the 90s but is still too bulky and cumbersome, similar to the mobile phone hardware companies tried to make before the iPhone.