An embattled Yoon has become larger than life, rebranded as a martyr who saw martial law as the only way to save South Korea's democracy.
However, Mr Durov has denied failing to cooperate with law enforcement over drug trafficking, child sexual abuse content and fraud.The platform has also rejected accusations that its moderation policies are not sufficiently robust.
Mr Musk has an incredibly broad range of tech interests, ranging from brain implant start-up Neuralink to his rocket manufacturing firm, SpaceX.He also has a prominent role in the administration of US President Donald Trump, and campaigned heavily to get him elected - something that analysts say is contributing toat his best known firm, electric car maker Tesla.
The world's richest man has also invested heavily in AI.He was a co-founder of the world's best known AI firm, OpenAI, the company which makes ChatGPT.
He subsequently left and became involved in a long-running row with OpenAI's boss, Sam Altman, over its future direction.
Earlier this year, Mr Musk spearheaded a failed attempt to buy it."Perhaps after it all, because I had done that so hard, maybe my brain was mentally exhausted from it, and I finally felt the true nature of what I went through."
He feared the tumour would stop him from working as a train driver, which had been his "goal in life".Despite his recovery progress, he can currently only work up to three days a week because of his medication, although he said this should be only temporary.
It was one of his partner's friends who invited the pair to take part in the World Naked Bike Ride to commemorate the overcoming of the health scare."I thought, not a chance," Mr Lewis recalls of his initial reaction.