Fad: an intense and widely shared enthusiasm for something, especially one that is short-lived and without basis in the object’s qualities; a craze.

In the business and technology worlds, many fads that explode in usage, fade away as technology and/or habits change. Such is the story of  QR codes. They hit their full stride as an easy way to share web-based content anywhere without requiring users to type long or complex URLs into mobile phones.

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