... According to a new report from comScore, about 31 percent of U.S. Internet users cleared their cookies during the month. This figure, if correct, could lead to site visitor counts to be off by as much as 150 .
While comScore probably can t be considered an unbiased source - they offer a browser-based approach to tracking user behavior - it s clear that random cookies are becoming less and less useful as a tool for identifying unique users.
There is a common per...