Near the end of the article: > Meanwhile, behavioural experts vocally doubt whether targeted pornography will really affect us, given how rarely people change

Near the end of the article: > Meanwhile, behavioural experts vocally doubt whether targeted pornography will really affect us, given how rarely people change their established preferences, to which they flock regardless of what’s being flung at them. The rise of porn data, some of them argue, just makes it easier for people to locate and talk about their sexual happy places.