The New York Times on the Facebook founder's appearance at the suitful FourSquare conference for Important People:
And then there was Mark Zuckerberg, the 22-year-old chief executive of the social networking site Facebook, wearing Adidas flip-flops — sans socks — with a blazer and jeans.
Now everyone's rocked the jacket and jeans, even at a formal event. But the flip-flops? Gross. Gross. Gross. Mark, get some shoes — bitch.