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.
Be careful, one wrong step and you're in trouble.
Back in the university days, we used to say 'syphilis' instead of 'cheese' to make people smile before taking the shot. Works even better than 'smile' or 'cheese'.→