We should learn from the failures of the past (PGP) and not forget that in practise all electronic communication (by phone, email, etc.) has been completely unp

We should learn from the failures of the past (PGP) and not forget that in practise all electronic communication (by phone, email, etc.) has been completely unprotected for pretty much everyone. With large services like Gmail and Facebook mining the data, the situation is arguably even worse. So the less than perfect steps we have been seeing recently (widespread transport encryption in email, end-to-end encryption in WhatsApp and Signal) are a huge improvement.