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.
Did the warp drive just get invented?
Nasa built the Em drive for efficiency but it appears to be emitting the space-time signature of a warp drive.