Temperature is a physical quantity expressing the subjective perceptions of hot and cold. Temperature is measured with a thermometer, historically calibrated in various temperature scales and units of measurement.
The most prominent owner of Facebook, Mark Zuckerberg (24% of the company), was born on May 14, 1984. This makes him 26 years old as of July 2010.
No longer involved with the company, Facebook cofounder Eduardo Saverin owns a whopping 5% of Facebook. Update: In the 7 or so months since we first published this story, Facebook's market cap has more than doubled, and reached $50 billion. Click here for an updated the list of Facebook's billionaires and soon-to-be billionaires >>. Earlier: Last we looked at the private markets where Facebook stock is traded, the company had an implied valuation of well over $22 billion.