I worked at one of the FAANGs and the algorithms were definitely state of the art in some ways. Maybe they didn't use the latest models but the sheer size of, f

I worked at one of the FAANGs and the algorithms were definitely state of the art in some ways. Maybe they didn't use the latest models but the sheer size of, for example models, was huge. Easily 500+ features inputted and hundreds of millions of parameters for deep models.