It was founded in 1999 in Cape Town, South Africa by London-based South Africans Gary Frisch and his partner Henry Badenhorst, after a friend complained that he was too busy to look for a new boyfriend.
Some chat rooms are designed for lesbians who just want to have friendly conversation with other women of the same sexual orientation.
It's not just guns and drugs that are up for sale on deep web sites.
Vendors also list guides on how to commit other illegal activities.
The guide isn't available for free, in fact, it was being sold for Bitcoins on a deep web marketplace.
Bitcoin is cryptographic currency favoured by criminals as it allows semi-anonymous online transactions.