NEW YORK: Before 2010, Mark Zuckerberg, the 26-year-old co-founder and CEO of Facebook, was primarily known as a mysterious, sweatshirted figure, a Silicon Valley wunderkind familiar mainly to those in tech circles.
But this year, Zuckerberg has been thrust into pop culture ubiquity, appearing on screens of all shapes and sizes, from "Oprah" to one of the year's most acclaimed films.
