FamilyMart in Japan has seen significant success by selling distinctive striped socks, which have become a popular lifestyle item. These socks, priced at 390 yen, have sold over 40 million pairs since 2021. This initiative has helped FamilyMart differentiate itself and adapt to the competitive convenience store market in Japan. AI
RANK_REASON The item discusses a product strategy by a convenience store chain, not a core AI development.
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