The online space is dominated by a small handful of companies that command a disproportionate amount of power and influence over the entire online experience, not just social media. So much influence that several of these companies have fundamentally altered many aspects of life offline; often described with the floral language of the privileged as ‘disruptive,’ but more clearly understood in the common tongue as ‘destructive.’’ The five most valuable companies at the end of 2017 we...