Losing Your Cookies

A ClickZ article by Rob McGann cites a Jupiiter Research report indicating nearly 40% of internet users delete cookies at leasy monthly: "Based on a survey of 2,337 U.S. respondents, the study finds that 17 percent of Internet users delete cookies on a weekly basis. Approximately 12 percent do so on a monthly basis, and 10 percent make it a daily habit." The report said consumers seem to incorrectly identify cookies with Spyware and privacy threats.

Millions of dollars in affiliate program revenue is allocated almost entirely on cookie-based tracking. More advanced tracking uses multiple technologies, including session-based tracking.