> The alternative is encrypting your emails and letting GMail store that. The problem with that is that they still know when you sent an email, and who you sent it to. Just the fact that your email is encrypted can be taken as sign of guilt by law enforcement.
Not sure but thinking back to those Chinese hackers they might be interested in knowing who's talking to who.
It's also useful for anyone who wants to smear someone else. "Oh politician so-and-so is talking to such a person in secret, I wonder what they're saying".
Does this actually have precedent?