Whether you have ever visited it or not, you will certainly have come across OnlyFans.
The site attracts millions of subscribers every year, with 'content creators' invariably getting their kit off or getting up to other such X-rated activities for money.
And it's proven to be rather lucrative for the man behind it all Tim Stokely, who has made an absolute fortune since he launched it back in 2016.
In the last year alone, thanks in no small part to the lockdowns introduced to combat the coronavirus pandemic, OnlyFans, which takes a 20 percent cut of creators' earnings, recorded sales of £1.7bn during the year to November 2020, up 615 percent on the previous 12 months.
The number of creators also rose during this time from 348,000 to 1.6 million, according to recent Companies House filings.
While the number of subscribers skyrocketed from 13 million to 82 million people in 187 different countries.
And the company's 37-year-old boss has never been shy in showing off the wealth that has been created by his adult empire.
It has allowed him to lead an incredibly extravagant lifestyle, whether it's enjoying lavish holidays to Spain and the US, riding round in top of the range motors, including a matte black Audie R8, or sailing along on a yacht with his mates.
And he regularly gives followers a peek into his life, sharing snaps from inside his six-bed home, reportedly worth a whopping £2.4m, which boasts a swimming pool, games room, cinema and gym.
As well as regular users selling their content, famous faces have also set up accounts, including former Love Island contestant Megan Barton-Hanson, singer Cardi B, former porn star Lisa Ann and Bella Thorne.
During lockdown, it was revealed that glamour model Dannii Harwood had become the first British creator to make £1m from the site since she joined back in 2019.
Speaking to the New York Times, she said: "You can get porn for free. Guys don't want to pay for that.
"They want the opportunity to get to know somebody they've seen in a magazine or on social media. I'm like their online girlfriend."
Stokely, the son of a banker, had been involved in adult entertainment long before OnlyFans came into our lives, though.
Back in 2011, he launched a BDSM and fetish site called GlamWorship.com before moving into the world of bespoke content creation with Customs4U.com, which allowed porn performers to make to order videos.
This venture was later sold and sowed the seeds for what OnlyFans as we know it today.
And while some have criticised the business model, the British entrepreneur says everything is above board.
He has previously said: "All the creators have joined the platform by choice, and create content as they choose."
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