It also can record the point where ball meets racket, rate your consistency and measure intensity (shots per minute and amount of actual playing time, rather than time on court).

WSJ: Babolat Microchip Racket: The Racket of the Future

Once upon a time, music was made by real bands playing actual instruments and the producer was a shadowy, behind-the-scenes knob twiddler.

NPR: Jaxx Scratch Back with 'Crazy Itch Radio'