Google Tells SEC Reporting On Mobile CPCs And Clicks Would Not Be Meaningful, Too Confusing

The average cost-per-click advertisers pay for Google ads has been declining year-over-year since the fourth quarter of 2011. The rise of mobile has long been seen as the driving force behind the declining average cost-per-click (CPC) — a glut of new ad inventory coupled with the fact that… Please visit Search Engine Land for the full article