8 Theories For AdSense Fluctuations

Recently, many web-publishers reported drastic drops in their Google AdSense earnings and offered up many theories as to why that occurred. The problem was reported in web forums, on popular SEO blogs, and in the comments section of the last Webproworld article on the subject. After all that, we've narrowed it down to 8 possible explanations.

Nokia May Lead In Location-Based Advertising

If you connect the acquisition and investment dots, you wind up following Acuity Mobile to Navteq to Nokia.  And since Acuity deals in mobile marketing, Navteq works with maps, and Nokia's all about cell phones, this could indicate that some pretty big companies are growing more interested in location-based advertising.