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.
Not an item, but emails for new items?
I know we can get email notifications for new messages and order updates but how about you add in notifications for whenever a new topic is added or a new item is on the items list ?