One of the most important tools for trust and safety efforts is the “block” feature, allowing a user to entirely block someone else from following them. Yes, on Twitter you can get around this by g…
If you block spam SMSes or assholes and spambots on chat services, it's basically that. No matter how much the other person tries, they can no longer get through to you on that service. In most cases, it's as if they no longer exist.