The simple answer is that anything and everything that your customer experiences while using your product/service can affect your Net Promoter Score.
The Net Promoter Survey is unlike a traditional survey or traditional research in that it’s NOT an exercise in statistical analysis.
The quick answer is, HELL YES … there are immediate benefits (both strategic and financial) and it is absolutely worth the investment.
Contrary to what most people think, I believe that survey incentives are a bad idea.