Today Google launched its behavioral targeting ad program, which it calls "interest-based advertising."

Many people, including EFF, are concerned about behavioral targeting because it means that information about how you use the web is collected, stored and associated with a cookie on your browser, which can track you across different websites and online services.

the Advertising Cookie Opt-Out Plug-in, which allows users to keep their opt-out status for a particular browser even when they clear all cookies.

If you are a user who shares our concerns about privacy, we encourage you to opt-out of tracking and keep regularly deleting your cookies.