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Bocaire Country Club on Twitter: "Fun facts . . .Did you know that tennis balls went from white to Optic Yellow because of color television? Read more . . . https://t.co/VEFtOdKST5" / Twitter
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HongKong Tennis Open on Twitter: "#PHKTOdoyouknow Fact 5: If the earth = a tennis ball, the distance between earth/sun would be 21.5 tennis courts long http://t.co/DmyRJ4ZkYT" / Twitter
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