> In 2014, display advertisers started concentrating on large, walled, social networks. The indie “blogosphere” was disappearing. Mobile impressions, which produce significantly fewer clicks and engagements, began to really dominate the market

There was a recent discussion on HN about how difficult it is to promote a blog now (compared to a few years ago). I think this statement by Deck further emphasises the fact that independent blogs are seeing a decline in readership.