How is the global reach of explicit pornography impacting the way couples relate to each other emotionally and physically?
The porn industry has been at the forefront of technological developments such as video streaming that are giving pornographic images greater exposure around the world.
Some estimates say one quarter of all internet searches include the word "sex". The industry is estimated at $96bn a year and employs public relations firms and lobbyists to ensure its interests are being heard in the corridors of power.
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In recent years the growth in profits have come mainly from increasingly explicit images known as "gonzo" porn that depict women being objectified and dehumanised.
We look at the growth in power and reach of the porno industry and the impact it is having on society.
Riz is joined by sociologist and author Gail Dines whose latest book is Pornland: How Porn Has Hijacked Our Sexuality.
This episode of Riz Khan aired from Thursday, December 30, 2010.