It seems like since the advent of the internet — from simple HTML pages, to Geocities, to modern blogs — there is always someone or some website reviewing a product (may that be user rated reviews) and giving the product ratings. If you were a cynic like the artist over at xkcd ^[1], you may conclude that star ratings mean the following:

^[2]

Sadly enough, the “has only one review” quip is, more likely than not, true.

[via xkcd ^[3]]