Stone said the pair came up with an offer so high and that “no-one would ever say yes to” because they didn’t want to sell, however Zuckerberg later came back with the offer.
The founders turned down the money and Twitter is now worth $23bn. Stone also told Sky’s Ian King that he and the Facebook founder would not have worked well together.
"I like him, and I respect him, it's just that we didn't click. I'm a jokey guy and he's a very serious guy so every joke I made - it was a tough crowd,” said Stone.