That's why eMarketer has written the definite report aggregating the complex and often conflicting views ? and providing an in-depth analysis ? on exactly what this vital tracking tool does and doesn't do.

What does widespread cookie deletion mean for advertisers trying to measure the effectiveness of their online campaigns? And what does it mean for Web publishers trying to track visitors and boost their sites among potential advertisers?

This report looks at all sides of the question to reveal the truth about cookies, and gives you ? from a wide range of industry players ? the best-case solutions for solving the cookie conundrum.