People as 'sensors': Twitter messages reveal NFL's big plays and fans'

Using millions of Twitter subscribers as living "sensors," engineers from Rice University and Motorola Mobility have found a way to monitor fans' levels of excitement and to keep track of the action in National Football League (NFL) games -- without ever switching on a TV. SportSense is a computer program the engineers created to analyze NFL fan tweets in real time. The program can tell within seconds when touchdowns, interceptions and other big plays occur, and it can show how excited fans are about every game that's being played.

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