https://techcommunity.microsoft.com/discussions/azure/live-talk-does-facebook-have-a-live-support-chat-all-in-one-support/4322467
https://techcommunity.microsoft.com/discussions/azure/live-talk-does-facebook-have-a-live-support-chat-all-in-one-support/4322467
https://techcommunity.microsoft.com/discussions/azure/live-talk-does-facebook-have-a-live-support-chat-all-in-one-support/4322467