The whole thing about WhatsApp is a massive problem for me because I live in Singapore where it's the most popular IM service, so almost everyone defaults to contacting me there, and I have 1 or 2 people who contact me using Facebook Messenger. Clearly, those people aren't as privacy-conscious as I am.<br><br>TL;DR: I prefer to use Signal or Telegram, but everyone contacts me on WhatsApp.