You can use Google Chat to message anyone, as long as you know their name, email address, or phone number.

You can make a group chat on Snapchat in a few taps to send pictures, videos, and chat messages to a select set of people at once.

I walk through how I create a group chat using Facebook Messenger on my iPhone. This works the same on your iPad, computer, or any device with the Messenger app. I show how to start a group, pick ...