December 2, 2011 | Harvard Business Review
Article Excerpt:
For decades the mystery shopper was the main way retailers assessed operations from a customer’s point of view. By sending in a fake shopper, typically once a month, an individual store essentially was buying a dozen performance snapshots per year. Then telephone surveys began to supplement mystery shopping. Today, digital technologies are supplanting both, with online customer surveys providing an exponentially greater number of performance snapshots per day. read more »