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.
History of Facebook. Facebook is a social networking service launched on February 4, 2004. It was founded by Mark Zuckerberg with his college roommates and fellow Harvard University student Eduardo Saverin.