What is Signal? The basics of the most secure messaging app. - Mashable

What is Signal? The basics of the most secure messaging app.  MashableWhatsapp vs Signal vs Telegram: Which is the most secure app?  NEWS9 liveDiscussion: What’s more important to you? Access to WhatsApp or your privacy?  XDA DevelopersWhatsApp Uses Urged To Switch To Signal, Skype Following Controversial Privacy Update  ForbesWhatsApp changes terms of service: Things to know and better alternatives  SlashGearView Full Coverage on Google Ne