SPACEX boss Elon Musk has revealed he attended a now infamous Silicon Valley "sex party" – but said it was just "nerds on a couch".
The billionaire admitted he was at the event at an investor's home in July but claimed “nothing remotely worth writing about happened”.
His agents also insisted there was no indication the party would become anything "after he left".
Wild rumours about sex and open drug use at the bash have been rife since the release of book Brotopia: Breaking Up The Boys' Club Of Silicon Valley.
The sensational book claimed the soiree at former Draper Fisher Jurvetson (DFJ) investor Steve Jurvetson's California home developed into a "cuddle puddle" – referring to group sex.
But Musk – the brains behind Tesla and SpaceX – told Wired: "If there are 'sex parties' in Silicon Valley, I haven't seen or heard of one.
"If you want wild parties, you're in the wrong place. Obviously.
"That DFJ party was boring and corporate, with zero sex or nudity anywhere. Nerds on a couch are not a 'cuddle puddle'."
His reps have also been quick to deny anything untoward happened at the party – claiming Musk was only there for a "couple of hours" and left after discussing "technology".
They added: "His impression was that it was a corporate party with a costume theme, not a 'sex party', and there was no indication that it would become one after he left."
Brotopia claims business deals in Silicon Valley are often carried out at “sex parties” with investors even using a version of MDMA known as Tesla after Musk's electric cars.
But entrepreneurs including Mary Lou Jepsen and Jason Calacanis have been forced to deny any explicit activity at the DFJ party.
The event last summer wasn't an official DFJ function but came after a one-day conference for the venture firm.
In a statement, the company said: "We were dismayed to learn of behavior at the party that was completely at odds with DFJ’s culture, which has been, and will continue to be, built on the values of respect and integrity.
"We would never want anyone to feel uncomfortable and we are sorry if that happened."
SpaceX, which Musk founded with the aim of colonising Mars, is one of several private and government-funded ventures hoping to stick the first flag on the red planet.
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