Not to mention all the crap you type into your search bar, Gmail, images I upload, basically anything with any sort of machine learning backed enhancement. Any

Not to mention all the crap you type into your search bar, Gmail, images I upload, basically anything with any sort of machine learning backed enhancement. Any of that stuff could be sampled and reviewed by humans. Admittedly anonymised, but it's still potentially personal stuff just as the voice print data is.