"...focused on changing this customer behavior specifically by including a digital screen at the main entrance to each of the test sites. Nicknamed the “Stop and Turn” device, it is a 30-inch screen hung portrait fashion in a custom mount. The content on this screen is all very short (3-5 seconds), bright colors, and designed to catch the eye of customers as they walk into the post office. It’s also very direct in its messages. “Jump the line. Ship packages at the APC...."
Source: www.selfserviceworld.com
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