Elon Musk

Twitter CEO Elon Musk is seeking to roll out an ad-free version of the social media platform via a new, paid subscription option.

Musk's ultimate dream is to establish a "self-sustaining civilization" on Mars and become the first person in history to organize a mass exodus from Earth.

After recently selling $2.5 billion worth of Amazon shares earlier this month, Bezos' estimated net worth is now $192.6 billion.