Known for writing some of the liveliest reports on Wall Street, Coburn has identified how some technologies are blockbusters (such as the iPod), while others are losers from the starting gate (like the video phone). The Change Function writes off the “build it and they will come” mentality that so many technology companies adhere to, and shows that technology demands a change in habits—more specifically it demands a change in consumers, who are often uninterested in trading in the norm for something new.