the death of the adult movie theatre. pictured above, the lee art theatre of richmond, virginia in its height as an adult movie house in the mid 1970's. and then the VCR appeared. by the time the lee art closed in 1993, it was screening videotapes and photocopying their covers for display like this:

as a child of the internet, it amazes me to think about a time when the only way you could consume porn movies was in public theatres. it also fascinates me to think about the porn industry's hand in all of the major technological advancements in entertainment since the VCR--from DVDs to the internet--and porn's staggering rate of production in general. did you know some producers average a movie every four days? that's a lot of sex.

a handy article on the subject can be found here.
(photos taken from here)