A faithful Brigada participant wrote this past wondering how Facebook’s purchase of WhatsApp might impact its usefulness as a secure messaging platform. (See, for example, this Forbes article: https://www.forbes.com/sites/daveywinder/2019/01/27/how-whatsapp-merger-with-facebook-messenger-puts-your-privacy-at-risk/#3480b7d54e57. Bottom line: If not WhatsApp, what would you recommend for safe and secure video calling and messaging? Any professionals able to comment anonyously?