Hey, Alexa, how many trips to Mars can you buy with a billion bucks?
Amazon CEOmight be musing over that question this weekend, after selling more than $1 billion worth of stock in his company on Friday.
The sale came to light as the result of a filing with the US Securities and Exchange Commission.
Amazon's stock shot up a breathtaking 13 percent on the previous Friday -- Oct. 27 -- after the company easily bested its third-quarter earnings expectations., knocking out Microsoft co-founder and noted philanthropist Bill Gates. It was a return visit for Bezos; back in July.
It's not clear what Bezos will do with the money from the stock sale, but in April he did say he likes to sell shares to.
"My business model right now ... for according to Bloomberg.is I sell about $1 billion of Amazon stock a year and I use it to invest in Blue Origin," Bezos said at the annual Space Symposium in Colorado,
'Alexa, be more human': Inside Amazon's effort to make its voice assistant smarter, chattier and more like you.
The Smartest Stuff: Innovators are thinking up new ways to make you, and the things around you, smarter.