@danielmcclure on Twitter: "5 Killer #SEO Insights from Analyzing a Billion Dollars in AdWords Spend http://bit.ly/VT1g3b"

Last Updated: November 9, 2012

5 Killer #SEO Insights from Analyzing a Billion Dollars in AdWords Spend http://bit.ly/VT1g3b

Source

https://twitter.com/danielmcclure/status/266930691160305665