Facebook CEO surfs behind a boat on Lake Tahoe, and discusses his secret underground lair on his sprawling Kauai compound.

Ah, yes, our favorite 4th of July tradition: Mark Zuckerberg's America-loving post. This year, he's back surfing while waving the American Flag, sipping a can of beer, and wearing a tux — oh ...

Last week, Zuckerberg took a break from his work life to hit the ocean waves and go hydrofoiling, a skill he's acquired over the years. The social media mastermind is no stranger to the surf world ...