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.
Founder, Chairman and Chief Executive Officer. Mark is the Founder, Chairman and CEO of Facebook, which he founded in 2004. Mark is responsible for setting the overall direction and product strategy for the company.