[Timmmmbob]

> no Google staff would be able to access the data

Well that's obviously bullshit... But aside from that, if it's commercially available and pseudonymised, I can't see much wrong with it.

[sgt101]

It can be done !

http://people.csail.mit.edu/nickolai/papers/popa-cryptdb-cac...

That said, I doubt that Google is doing it. More interesting is that this tech appeared two years ago, I thought the world would rush to pick it up and as far as I know no one has!