Google Q&A

Ask a simple question in a Google search box and chances are you'll get the answer at the top of your search results. It's called Q&A. It works for "celebrities, countries of the world, the planets, the elements, electronics, movies, and anything else we've thought of so far."

• How large is Jupiter?
  Jupiter
  Mass: 1899 10²⁴kg
  According to http://nssdc.gsfc.nasa.gov/planetary/factsheet/planet_table_british.html
• When was Tom Cruise born?
  Tom Cruise
  Date of Birth: 3 July 1962
  According to http://www.who2.com/tomcruise.html

You have to be a bit careful in your phrasing. For example, when did hedy lamarr die returns the answer, but hedy lamarr death does not.