How iMessage Works!

In this video I go over the iMessage, how it works, how to set it up and some of the basic things you should expect when using it. The video is not a 'how-to' on texting, but a description of the iMessage itself and why it's very different from sending text messages through a Carrier.
Articles used:
support.apple.com/en-us/HT208532 - Use Messages in iCloud
support.apple.com/en-us/HT208960 - How to delete message in iCloud
support.apple.com/en-us/HT207006 - What is the difference between SMS/MMS