If we go back 20 years,  if you think about what it took to try and get your hands on porn, 20 years ago: you had to get your mac on, had to run down to the newsagents, had to stare down the newsagent, grab the Razzle mag off the top shelf,  give him your money, ask for the brown paper bag, run home, hope that  no one sees you and if they do, they don't ask what's in the bag. 