Book Excerpt: "Winning Results With Google AdWords"
From search to buy: How real people use Google. For millions of Internet users, search is a habitual activity, performed daily. According to recent figures from comScore Networks, the average U.S. user performs 35 searches per month. The average Canadian user is a bit more active, at 40 searches per month. Keep in mind that these are averages; many users search much more frequently than that.