Really interesting data from online advertising company Chitika about Google usage by state. The research found, among other things, that there is a positive correlation between higher job growth and education level and use of Google as the preferred search engine.

"That means, the more each one of those variables increased or decreased, so did the odds of Google search engine usage. The effect of each independent variable, for example, median household income and median age, is measured by holding other variables constant."

Take a look at the graphic below and read the full article here.