Porn is really easy to get, isn’t it? Porn has always been the internet’s biggest business, but most of us would-be consumers are generally asking ‘what business’? Porn is perfectly easy to get for free. That’s just what porn producers are worried about, and they’re rallying to change it. Studio Pink Visual has rallied adult content providers the world over to Arizona for a ‘Content Protection Retreat’ in October, to figure out a plan. “People were willing back then [at the advent of filesharing services] to pay top dollar for porn,” says PV’s president Allison Vivas. “Now it looks like the majority…