Today, its co-founder and CEO Mike McCue confirmed the $50 million round at an eye-popping $200 million valuation, in a wide-ranging interview at the start-up’s Palo Alto, Calif., HQ.

“We’re obviously thrilled, because we think it confirms our focus that people want a beautifully designed way to interact with content and to share it,” he said. “And there is a lot more to come–on a scale of one to 10, we’re just at a two or three.”

Whut??