You can "Whisper" on Twitch to privately chat with someone using a chat command or by going to their profile page, depending on your device.

If you want to send a message that might travel the seas, there’s a right way and a wrong way, Jace Tunnell writes.

You can also send a blank message from the web. If you already know the Unicode character. For instance, for the Braille ...

After installing the app, you can message 60 Minutes at this designated Signal number: +1 917-682-0143. You can also install the desktop version of Signal, which allows you to chat from your computer.