Elon Musk says to use Signal instead of Facebook. What to know about the messaging

Tech mogul Elon Musk — known as widely for slinging cars into the sun’s orbit as he is for advocating against COVID-19 safety measures — took to Twitter Thursday to slam Facebook over its latest privacy policy updates for its supposedly secure encrypted messaging app WhatsApp. Musk instead recommended users choose encrypted messaging app Signal. 

The tweet was then retweeted by Twitter CEO Jack Dorsey. Shortly after, Signal tweeted that it was working to handle the surge of new users. 

This isn’t the first time Musk has publicly sparred with Facebook over privacy concerns. In 2018, he not only had his own personal Facebook page removed, but those of his companies Tesla and SpaceX. His take on the long-fought battle between Signal and WhatsApp isn’t off-base, though. 

Both of the encrypted messaging apps have been found to have security bugs over the years that have been resolved. For years, WhatsApp has openly collected certain user data to share with parent company Facebook. Its latest policy change just expands that. Signal, on the other hand, has a history of fighting any entity that asks for your data, and adds features to further anonymize you where possible. 

Here are the basics of Signal you should know if you’re interested in using the secure messaging app.

What Signal is, and how encrypted messaging works 

Signal is a typical one-tap install app that can be found in your normal marketplaces like Google’s Play Store and Apple’s App Store, and works just like the usual text messaging app. It’s an open source development provided free of charge by the non-profit Signal Foundation, and has been famously used for years by high-profile privacy icons like Edward Snowden.

Signal’s main function is that it can send text, video, audio and picture messages protected by end-to-end encryption, after verifying your phone number and…