size matters– but Measurement is Tricky
While other aspects of the internet sector have been researched, dissected, measured and analyzed in depth, the online porn sector continues to be something of a mystery –in terms of the number of people who visit adult sites, how much money they spend and how much revenue the sector is worth per year. The reasons for this are fairly obvious: most internet users would rather not admit they visit adult sites, and most adult sites would rather not admit what exactly it is they do and how much they earn
