http://www.clickz.com/iptac-F44E05219320-FCH1837V0GZ/S0001/535452415945525c676d69636b2e736d69746840737472617965724e544c4d446f6d61696e--1416239857--3568--1415720443--3ae7b6edf3a118867cd33b2c1d3377f7235a2c26ae533664c7481ef02637929e/http://www.clickz.com/clickz/column/1707482/whats-wrong-with-net-promoter-score
http://www.quora.com/What-is-a-good-net-promoter-score-to-have
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