Is Facebook shafting Page owners by reducing the reach of their posts so they have to pay to promote them? Are Page owners deluded in seeing Facebook as a free marketing platform whose news feed algorithms are set in stone? There are plenty of adherents to both views making a noise online this month. Now Facebook has weighed in to the debate, explaining that it DID make a change to its EdgeRank algorithm in September, based on users’ ability to hide news feed posts if they didn’t like them. The social network “started penalising things that had an above average rate of complaints, and rewarding things that had a below average rate of complaints”. Facebook claims the median reach for Facebook Pages hasn’t changed, but admits that some Page owners may have noticed their own reach falling. Will this quell the debate? Don’t hold your breath: Social media agency We Are Social has published a blog post claiming its clients have seen an average 40% drop in reach since the end of August.