The Bay Bridge, which connects San Francisco to Oakland and the East Bay, has always played second fiddle to the glamorous Golden Gate Bridge. Even though both spans are celebrating their 75th anniversary this year, the drab gray Bay Bridge never stirred the heart the way its flashy orange sister span has. The Golden Gate Bridge’s 75th birthday was commemorated with fireworks, a fancy new visitors’ center, and souvenir trinkets of all kind. On the other side of town, it was business as usual on the Bay Bridge, with some 270,000 vehicles crossing its span daily.
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Korea’s largest retail chain, Emart, found that slumping sales at midday were casting a shadow over its revenues and came up with a clever way to attract lunch-time shoppers. At its 38 locations throughout Seoul, Emart installed three-dimensional QR codes on outdoor pillars located to catch the sun. Like a sundial, the shadows on the QR code moved as the sun changed position, and passersby were alerted that they could only read the QR code’s message between 12 noon and 1 pm. Consumers who scanned the code were directed to the Emart online store where they received $12 coupons for products that would be delivered to their homes. Thousands of consumers claimed Emart vouchers, and sales increased by 25% during the lunch hour.
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