Most of you know it's possible to advertise/communicate via a Messenger message on FB, with current audience for that specific page. At the moment Facebook is testing ad spaces in the Messenger, see example;

The ads are now shown under the fold, so people need to scroll. Currently it's only visible in Thailand and Australia.
I am eager to test this, hopefully soon!
Facebook messenger and chatbots are coming. More and more marketeers are using the send-to-messenger campaign objective as a way of lead-gen. As a business can broadcast messages to everyone that interacted with their bot. Its super powerful! Open-rates of more than 90% are not uncommon. Just a matter of time before the affiliate space gets a hold of it.