tedster - 11:48 pm on Jan 19, 2012 (gmt 0)
In our ongoing effort to help you find more high-quality websites in search results, today [19 January] we're launching an algorithmic change that looks at the layout of a web page and the amount of content you see on the page once you click on a result...
This algorithmic change noticeably affects less than 1% of searches globally. That means that in less than one in 100 searches, a typical user might notice a reordering of results on the search page.
- Matt Cutts