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1) Don't be afraid to ask stupid questions.

Kutcher's first piece of advice: Don't be afraid to sit in a room with people who know more than you and ask questions that might seem basic or just plain stupid.

When he was first introduced to key players in the tech world, Kutcher would ask every question he could think of — with zero ego. Through the course of a decade, he earned himself an education in tech.

"Oftentimes we get to the point in our careers where we're afraid of looking dumb," said Kutcher. "Every time you fear your own ignorance, you're limiting your potential to learn."

Instead, he said, keep asking the dumb questions. It'll help you learn, but it will also show you where your blind spots are.