Nearly three years after Brin's 2003 paper, Google (nyse: GOOG - news - people ) still relies on such metadata for its fledgling video-search service.

FORBES: co-founder Sergey Brin

The latter is using the web service to capture and store images and metadata collected from the Mars Exploration Rover and Mars Science Laboratory missions.

FORBES: Amazon Bets On Storage Lockers, New Kindle To Drive Growth