The week before George Floyd died on May 25, about 51,000 first-time users downloaded Signal, according to data from the analytics firm Sensor Tower. The following week, as protests grew nationwide, there were 78,000 new downloads. In the first week of June, there were 183,000. (Rani Molla at Recode noted that downloads of Citizen, the community safety app, are also way up.)
https://www.nytimes.com/2020/06/11/style/signal-messaging-app-encryption-protests.html
Citizen, the community safety app