Basically they're not following cryptographic best practices. And their defense of it is flimsy at best.
I you want easy-to-use secure messenger you should use Signal. (https://whispersystems.org/)
I you want easy-to-use secure messenger you should use Signal. (https://whispersystems.org/)
Here's Snowden's response: https://twitter.com/snowden/status/661313394906161152?lang=e...