An open data standard for the Net Promoter System. Aims: - To create a fair, competitive market that does not lock the customer in to a particular vendor or group. - To enable organisations across the globe to port data between any Net Promoter software services that adhere to the Standard. - To improve transparency of and confidence in reported Net Promoter Scores. - To put the Net Promoter System a step further on the path to becoming the gold standard cross-industry customer loyalty metric.