Net Promoter® NPS®, NPS Prism®, and the NPS-related emoticons are registered trademarks of Bain & Company, Inc., Satmetrix Systems, Inc., and Fred Reichheld. Net Promoter Score™ and Net Promoter System™ are service marks of Bain & Company, Inc., and Fred Reichheld.
And then after I knew I was tricked to buy useless service, try to call Kirkand to see any manager on duty help me to figure and cancel service get refund, but no one answer, no one call me back!