Most of the big players started working on hardware for this stuff in 2018/2019. I worked at MSFT silicon org during this time. Meta was also hiring my coworker

Most of the big players started working on hardware for this stuff in 2018/2019. I worked at MSFT silicon org during this time. Meta was also hiring my coworkers for similar projects. I left a few years ago and don’t know current state but they already have some generations under their belt