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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If this thermostat looks like something that Apple would have designed had it been interested in home heating, there’s a reason. Tony Fadell, who conceived of the iPod and then went on to work on the iPhone while at Apple (he left in 2008), came up with this household device through his own company, Nest Labs. The clean Apple aesthetic and intuitive ease-of-use are evident in the Nest Learning Thermostat. The temperature is displayed in bright, clear numerals, and the rim ring acts as the dial. The LCD-lit center turns red if you are raising the temperature and shows blue if you are lowering it. A green leaf appears under the number to indicate a setting for optimal energy savings. Not only that, the Nest programs itself, using software to analyze and track your usage patterns over time. Once it learns your preferences, it adjusts itself automatically, and even turns itself down to the “Away” mode, if it doesn’t sense any movement in the house. The Nest also comes with a mobile app that lets you change the temperature and schedule remotely by laptop, smartphone or pad.
Programmable thermostats, even ones that can be controlled remotely, are not new to the marketplace. What makes Nest exceptional is that it is designed for the user. You don’t have to squint to read the temperature gauge or gnash your teeth when trying to figure out the instructions to get it to do all the things that the ads promise it can do. It doesn’t try to impress consumers by displaying the complex engineering of the product. That’s more intimidating than impressive. What good design does best is create an interface with the user that makes the complex simple. Given the large number of consumers (including me) who don’t know how to program their existing thermostats, a device that is pleasing to view and as easy to use as an iPod is a welcome advance.
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