Yes, I'm pretty sure the cost of doing it is why they decide not to do it. Business logic and all that, more profit for Google. Edit: And you are right, it's n

Yes, I'm pretty sure the cost of doing it is why they decide not to do it. Business logic and all that, more profit for Google. Edit: And you are right, it's not really free service since you opt for your data to be mined by Google for whatever purposes. If you need privacy you'll probably want to use something else.