Introducing The Promoter Flywheel

About 18 months ago, I had an experience with Hertz that illustrated some of the challenges companies confront trying to move beyond simply calculating a Net Promoter score to pursuing the Net Promoter system. If you're interested, you can read about it here (An unfortunate experience with a rental car return).
My experience provides a great illustration of how a company's policies and procedures around bad profits can impact employee engagement and loyalty, and the pernicious doom loop that results. In this case, a system had been set up to ensure the revenue associated with bad profits was collected. No care was taken to avoid insulting customers or calling them liars. Far too many companies engage in similar behavior, not only angering customers, but demoralizing employees.
At Bain, we've been doing more and more client work around the link between employee and customer loyalty as part of the Net Promoter system. Several clients now measure employee NPS (sometimes called "eNPS"). Most have learned the value of devoting just as much effort to earning employee advocacy as customer advocacy, and the virtuous cycle that can create.
Promoter Flywheel is a service mark of Bain & Company, Inc.We call this virtuous cycle "The Promoter Flywheel." We chose the word flywheel with some care. In engineering terms,