we do not share your data with anyone and there are many ways to control the visibility and storage life of your data here.
but the internet is a public space and you should always assume your data could be compromised.
be smart with your password, use tor or a vpn, and use pgp for sensitive communications.
My postman is obviously a stoner, just the way he carries the back all slung back on his shoulder gives it away but he also looks like Wayne (or Garth I can't remember which one is which). I keep thinking I should offer him a bowl of the good shit but he delivers so much weed to me I think I'd be putting him in a bad position.