Google is an advertising company first and foremost, but the big revenue the company sees from ads is funding the rest of the company’s efforts — efforts that have brought us great products and services like Gmail, Google Maps and the company’s new Nexus 7 tablet. Search remains Google’s core product, of course, and countless businesses are sustained by traffic generated by Google searches. As such, it’s no mystery that advertising is Google’s biggest revenue generator by a landslide. Google has made moves recently to promote clicks on paid ads rather than organically surfaced results, and a new study reveals that Google’s efforts have had quite an impact. Read the full story at Boy Genius Report.