но есть же ёщё и Quora.com. там дал ответ коллега Марка, который сидит рядом с ним.
ответ просмотрен более 500 000 раз, - вот что такое Quora.
I sit near Mark at FBHQ so I'll speak from my experience.
He often arrives every morning before I do and is around after dinner working as well. I would say he is in the office roughly 9-10 hours a day, 5 days a week.
Sometimes we have particularly exciting projects going on that have people volunteering their weekends and Mark might come by and see how things are going.
Mark occasionally travels and isn't in the office, but it seems like it's more likely that his appointments come to our headquarters than vice versa.
I should say that it's great to have him around with regularity and that he chooses to have the same desk set up as everyone else. He takes his job very seriously not just as a businessman but as a leader; he has helped keep our company culture what it is. (с) источник
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