When you access DuckDuckGo (or any Web site), your Web browser automatically sends information about your computer, e.g. your User agent and IP address.</p> <p>Because this information could be used to link you to your searches, we do not log (store) it at all. This is a very unusual practice, but we feel it is an important step to protect your privacy.</p> <p>It is unusual for a few reasons. First, most server software auto-stores this information, so you have to go out of your way not to store it. Second, most businesses want to keep as much information as possible because they don't know when it will be useful. Third, many search engines actively use this information, for example to show you more targeted advertising.