What is Signal? Everything you need to know about Elon Musk's app recommendation
Here's what you need to know about the encrypted messaging app, and how to use it.
28 Jan 2021 ... Here's what you need to know about the encrypted messaging app, and how to ...
The tweet was then retweeted by Twitter CEO Jack Dorsey. ... Elon Musk
recommends using Signal over Facebook due to privacy concerns.