The Gracenote technology works by "listening" to a few seconds of a song and matching it to its unique audio fingerprint in the Gracenote database.

ENGADGET: Rhapsody intros SongMatch for Android, helps you discover tunes with a simple tap

Few things infuriate me more than matching boots and pants.

CNN: 'The X Factor' season finale recap: Country strong

"Al's work on kidney matching is one of the few great modern advances in transplant policy, " says the American Enterprise Institute's Sally Satel.

FORBES: Magazine Article

After two hours of mixing and matching, Lafaire leaves a few favorite samples and tells Menges and her friends to think it over.

FORBES: Walking a fine line

While Tim Duncan, Kevin Garnett and a few other players may come close to matching his greatness over the last 10 years, none of them can reach his level.

FORBES: Kobe Bryant and the NBA's Biggest Global Brands

Only a few Heisman Trophies, according to Allen, come close to matching top baseball merchandise.

FORBES: Why 756 Will Not Equal Millions

If a matching order comes into Island at the same price a few seconds later, say, the forwarded order is matched with the new order on Island.

FORBES: Guerrillas on Wall Street

The difficulty of matching income to spending in a way that does not make politicians look in thrall to a few wealthy donors has led all three main parties to call for more state funding and a lower cap on election spending.

ECONOMIST: Why political parties are living beyond their means