A question
In the app, flag it from the question screen. On the web, send the link through the contact form.
An account or a scam
If someone is pretending to be 50heads, asking for your sign-in code or offering to "buy" accounts, don't reply. Tell us what you saw through the contact form. We never ask for your code by email, message or phone.
A security issue
Please tell us privately through the contact form before telling anyone else. Our security page explains how we handle disclosures and what's in scope.
Something else
Contact us. A person will reply, usually within one business day.