Facebook is developing a metered paywall to drive viewers to subscribe to source publications of stories posted on Instant Articles. The move is in response to the social media platform’s tense relationship with publishers, who are losing viewership of stories on their own websites, as well as revenue. While sources say that discussions about the paywall are in the early stages, and testing won’t begin until October, Facebook is currently introducing a new analytics tool for publishers. Meanwhile, Amazon is now paying publishers and digital influencers to post to its new commerce-centric social network Spark. Continue reading Facebook Develops Metered Paywall, Debuts Analytics Tool