Mergers & Acquisitions. Consolidations. You've heard of these since grade school, probably. The've existed hundreds of years, only in the past hundred or so to control, manipulate, and destroy competition using now illegal trade practices.
What JD Rockefeller did to indie refiners, www.Mindgeek.com is doing to online Porn. Ever heard of redtube, youporn? Yeah, they're owned by a company that came out of nowhere a few years ago, and now owns 8 of the top porn 10 sites on the web.