Ever had an experience with a company that’s left you fuming? Kept on hold for two hours until someone cut off your call? Sales assistant abandoned you in the bread aisle? Ooh, it gets my blood boiling just thinking about it! But it’s good to know you’re not alone. According to Zendesk, 82% of customers have left a company because of a bad experience. How is works The actual score is the difference – positive or negative – between the percentage of customers who would recommend a company to someone else, and the percentage that would not. So that means: NPS…