THEN CAME THE BIT TORRENT REVOLUTION.
Using peer-to-peer networks, people started to share their porn collection with friends and strangers. Although a good deal of porn membership sites fought back with additional video protection technology, there are way too many nerds interested in free porn than the IT guys who can block them. And thus, slowly, the paid for stuff started to become available for free.
The competition is so fierce in the porn industry that the highest-paid internet specialists are not working for Netflix or Amazon, but for sites like PornHub. The constant fight to come at the top is ongoing. Apart from bit torrents, there are also several membership sites that give free access to Amateur Videos, just to attract new customers.