According to an article in the Wall Street Journal, “United [Airlines] rolled out a new app to its flight attendants earlier this year with so much information about people, the airline has been reluctant to turn on all the functionality. The tool can show flight attendants information on each frequent flier’s five previous flights. . . . But United is worried some customers might consider that stalking.” Is the app an example of positive technological change? Negative technological change? Does the answer depend on how customers react to United’s use of the app? Briefly explain.