Signal @signalapp
@KeithFarnish There is no unmask filter. That isn't how any of this works. https://t.co/CYXzetEldT — PolitiTweet.org
Moxie Marlinspike @moxie
@MarcJBrooker @EricaJoy @signalapp Area is scaled down, gaussian blur with wide radius applied, then scaled back up… https://t.co/dB89hfgUqt