Too Long; Didn't Read
<strong>tl;dr: Encrypt all your online (IM) communication, there is no good reason anymore to not do it. Use a XMPP+Omemo client </strong><a href="https://play.google.com/store/apps/details?id=eu.siacs.conversations" target="_blank"><strong>(Conversations</strong></a><strong> on Android, </strong><a href="https://itunes.apple.com/de/app/chatsecure-verschlusselter/id464200063" target="_blank"><strong>ChatSecure</strong></a><strong> on iOS and </strong><a href="https://gajim.org" target="_blank"><strong>Gajim</strong></a><strong> for Windows/Mac/Linux). Don’t be fooled by companies who use security as a marketing buzzword (especially don’t use WhatsApp, Facebook and Telegram).</strong>