He famously wears a hoodie, jeans and sneakers, and he was born the year Apple introduced the Macintosh. But Mark Zuckerberg is no boy-CEO. Facebook's chief executive turned 28 on Monday, setting in motion the social network's biggest week ever.
For those who want to own just one ceremonial share of a company, there are websites that specialize in "one share" transactions. The operators of those sites say they expect Facebook to become one of their most popular stocks once it begins trading publicly.