https://addons.mozilla.org/en-US/firefox/addon/personal-blocklist/ https://addons.mozilla.org/en-US/firefox/addon/personal-bloc... For me, it's "Pinterest, wha

https://addons.mozilla.org/en-US/firefox/addon/personal-blocklist/ https://addons.mozilla.org/en-US/firefox/addon/personal-bloc... For me, it's "Pinterest, what's that?"