The Buzz | Yes, Mark Zuckerberg will wear a suit for Congress testimony

Though best known for his “uniform” of jeans, sneakers and a fitted gray T-shirt — adding a hoodie if the weather demands — the Facebook CEO will don a suit and tie when he testifies before Congress this week.

The 33-year-old billionaire is no stranger to suits. In 2009, he wore a tie every day, the first of what have become his yearly “personal challenges.”

Back then, the U.S. economy was in a deep recession and Facebook was not yet profitable. The company “needed to get serious about making sure Facebook had a sustainable business model,” he wrote on his Facebook page this January.

Today “feels a lot like that first year,” he added. The world feels “anxious and divided” and Facebook, he wrote, has a lot of work to do.

His personal challenge for 2018 is to fix Facebook.

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