Los Angeles Times

Sam Farmer: In search for more data, NFL keeps eye on the ball — and a chip inside

The NFL is trying gizmos this season that are truly revolutionary - footballs fitted with chips that count rotations - but their usefulness is up for debate.

At issue, how much information is too much?

The technology is impressive, with each football containing a four-gram, dime-sized chip in its bladder, carefully placed as not to affect the spin of the ball in flight. The radio frequency identification devices (RFID) emit pulse-like signals that can be picked up by the

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