We put together a pie chart showing the average number of clickthroughs based upon their rank on the first SERP of Google. The data clearly shows that if your not on page one then your probably not seeing much traffic from your top keywords. For most companies, achieving high page one keyword rankings on Google [...]

According to a Sept 2011 Nielsen study smartphones have grabbed 40% market share in the U.S. That means 4 in 10 Americans who own mobile devices own smartphones. The other six own feature phones for now at least. Nielsen projects that smartphones will pass feature phones in the U.S. and reach 50% market share by [...]

Here is an excellent infographic that may help you answer some of your lingering SEO questions. SEO Periodic Table.