According to the Connecting Through Social Media box, McDonalds's team of social media professionals used to field constant complaints about the lack of breakfast options on the all-day menu. Upon hearing of the large demand for all-day breakfast, McDonald changed its menu and added to its utility.

After jeff bezos read about how the internet was growing by 2,000 percent a month, he set out to use the internet as a new distribution channel and founded amazon, which is now the world's largest online retailer. this is clearly an example of a(n)a. firm that uses closed innovation. b. entrepreneur who commercialized invention into an innovation. c. business that entered the industry during its maturity stage. d. exception to the long tail business model