I noticed in my main niches which is very competitive. The top 3 sites have removed 95% of there content. The first 2 sites have 1 listing which is duplicate content the second site just has a map and the third site has just 50 words.
So I did an experiment my one page had about 700 words of original content. and went to page 6 after penguin 2.0. I removed 600 words and added a photo of a map. Today
I went back to the bottom of the first