"On the other hand, enough fake reviews on a system with discretized scores will result in all products having the maximum score and having almost all reviews p

"On the other hand, enough fake reviews on a system with discretized scores will result in all products having the maximum score and having almost all reviews presented being fake: the system is now completely useless." That's exactly what's happened to the non-fiction kindle books. The fakes are usually easy to spot [0] but sifting through all of that crap is a huge time sink and I've all but stopped buying them. [0] http://www.amazon.com/Management-Effectively-Personnel-Resolution-Motivation-ebook/dp/B00Z9EMA6Y/ http://www.amazon.com/Management-Effectively-Personnel-Resol...