Facebook CEO Mark Zuckerberg has said in a surprising revelation that the amount of time he spends in the office is about 50-60 hours per week which is close to normal for other employees.

According to ABC News, Zuckerberg's comment came in an unannounced question-and-answer session on Tuesday night on his Facebook page.

He said that he has remained focused his entire life if one counts the time he has spent on his mission.

Zuckerberg said that he has spent most of his time thinking how to connect people and serve the community better.

Earlier, Zuckerberg revealed how he hires employees to work for him saying that he hires people he thinks he would work for.