Facebook trials subscription tool to appease Instant Article publishers

Social network Facebook is looking to deliver the goods for publishers concerned it is not doing enough to help them monetise while it flourishes from their content and presence on the platform.
As a result, these new features will be rolled in the US and Europe. it is aimed to allow publishers to better acquire Facebook audiences on Instant Articles.
Publishers are invited to make money through advertising or driving subscriptions natively on the Facebook site, instead of their own, under the a