[hirsin]

It definitely looks like the old tale come true - at Microsoft people would warn against using Google because then Google could figure out what we're working on, since it was pretty easy to tell where a query was coming from.

Sounded far fetched back then, and on the face of it illegal, but now it's just common sense I imagine.

[nsvd2]

It's pretty clear to me that these systems have a massive potential for intelligence agencies as people move more and more of their internal thought process to an external tool.

And, of course, intelligence agencies are good at realizing potential.