Authors and other product creators are known to sometimes invite friends and family to post favorable reviews in order to spur sales. It sometimes works, but it also skews the intregity of Amazon’s review system. One woman, whose reviews are virtually positive and who has written over 25,000 reviews, is suspected of being a paid reviewer. Having reviews that are trustworthy is one of the selling points Amazon offers to buyers, so biassed reviews are damaging its reputation for transparent, honest reviews that help in making a buying decision. So it is attempting to filter out reviews that... [...]