What’s the best way to manage customer feedback?

Jason Lemkin (Managing Director at Storm Ventures, SaaStr.com)
What are the potential dangers in using a Freemium model? – Quora

The less the customer pays, the more feedback they provide, and the less engaged they are (making their feedback worse). The best feedback and least noisy feedback is from your most engaged (and generally most profitable customers). The biggest risk of all is listening to all the wants/wishes/complaints from the free and low-value converts and potential converts.