Today, Facebook is launching a new ad unit that will let businesses create a link between the two platforms: advertisers can now include a button on their ads so that people can call or message via WhatsApp with the click of a button.

The new feature getting announced today, more generally, follows on from some bigger developments for how WhatsApp is already being used by businesses.

The new button ad-unit is also similar to the click-to-Messenger ads that Facebook previously rolled out.

Since Manychat is killing it with simple bots that are connected to Facebook Ads, it sounds like a huge opportunity for bot builders 🤘

https://techcrunch.com/2017/12/13/click-to-whatsapp-messaging-buttons-are-now-rolling-out-in-facebook-ads