To lure drivers off Interstate 65 at Exit 220, about 70 miles southeast of Chicago, the roadside ads lean hard on wordplay. A metal corncob the size of a speedboat carries the words, VISIT EAR OFTEN! A sign with a cow on it promises A DAIRY GOOD TIME FOR THE FAMILY! Another billboard shows a wide-eyed kid with a fruit-flavored ice cream in his hand: BERRY TEMPTING!
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