Adult internet webcam
One recent entry into the free pornography website market are Thumbnail gallery post sites.
These are free websites that post links to commercial sites, providing a sampling of the commercial site in the form of thumbnail images, or in the form of Free Hosted Galleries—samplings of full-sized content provided and hosted by the commercial sites to promote their site.
A 2015 study finds "a big jump" in pornography viewing over the past few decades, with the largest increase occurring between people born in the 1970s and those born in the 1980s.
There are several forms of sites delivering adult content.
This was possible in the late '80s and early '90s through the use of anonymous FTP servers and through the Gopher protocol.
At this time the internet was mainly an academic and military network and there was not widespread use of the internet.
The con presented a keynote by culture theorist Mark Dery and published a reader about the subject.
Pornographic images had been transmitted over the Internet as ASCII porn but to send images over network needed computers with graphics capability and also higher network bandwidth.
There was a rapid growth in the number of posts in the early 1990s but image quality was restricted by the size of files that could be posted.