Starbucks Introduced a Less-Than-Perfect Mobile Payments App, Then Worked Out

Starbucks introduced a less-than-perfect mobile payments app, then worked out the flaws after the launch. The company chose speed to market over a perfect app at introduction. This illustrates ________.

A) why many companies engage in crowdsourcing
B) the influence of fast-changing market developments
C) why prototypes are so important
D) how idea screening can make a product a commercial success
E) the importance of different sources for idea generation