For example, experienced gamers search more thoroughly than non-gamers, leading to better change detection performance.

FORBES: Do Video Games Make You Smarter? Maybe Not.

Blinkx uses speech recognition, visual analysis and scene change detection, which enable a more accurate search as well as the ability to search within videos for specific words or people.

FORBES: Magazine Article

Seasoned criminals can, of course, figure out such rules and change their behaviour in an attempt to avoid detection.

ECONOMIST: Computing