I don't avidly read Dilbert (I normally just don't get the jokes) but I was sent this cartoon
today by a dear friend and it made me laugh... Worth a look if you are collecting customer feedback or the Net Promoter Score® - "I need you to pretend you're several different customers and write positive reviews."
This of course follows some recent stories about how some companies had fixed some reviews in *ahem* their favour... see here
...I guess you can never be completely sure that companies are not gaming the system, and faking reviews, but with sheer volume of both positive and negative reviews you could be at least sure of a balanced view.CustomerGauge
by the way, has a sophisticated anti-gaming system that would have prevented fake comments from being presented. Look for more of this to come...