One figure that cropped up again and again is that 37% of the internet is made up of pornographic material. Many of those people who quoted the figure took it from a press release put out in June 2010 by net filtering firm Optenet.

A spokesman for the firm told the BBC: “The statistics are not up-to-date and I would not use them to reflect the reality of the web nowadays.”

That might just be because there is a lot more data around.

Handmade Kombologia