KFC hid its secret recipe in its Twitter follow list and waited for someone to notice
KFC followed exactly 11 accounts — five Spice Girls and six guys named Herb — turning its follow list into a riddle worth 2.5 billion impressions.
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KFC followed exactly 11 accounts — five Spice Girls and six guys named Herb — turning its follow list into a riddle worth 2.5 billion impressions.
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