Here it is – proof Googles post Panda over optimisation penalty is almost here http://googlewebmastercentral.blogspot.co.uk/2012/04/another-step-to-reward-high-quality.html
Black hat SEO
Some SEO practises are ‘dodgey’ for want off a better word. Many established SEO practises there were legitimate are having less and less value and may even damage your rankings. There are less quick wins than there used to be. SEO is becoming harder and here you will find some posts about SEO practises you really shouldn’t be doing.