Or Steve Jobs for that matter?
Zuckerberg wears a grey t-shirt, sometimes a hoodie. Jobs is known for his black turtleneck shirts.
Why do they do it? These guys are billionaires, so why do they wear the same thing every day?
In this one minute video, Zuckerberg explains why he does it. It was a similar reason Jobs gave to explain his wardrobe choice.
#AskMark: Why do you wear the same shirt every day?