What if there were a giant database that contained your hidden insecurities, embarrassing medical questions, and the fact that you still think from time to time about your high-school romance? Well, such a data store does exist -- if you've ever plugged such private topics into a search engine.
The fact is, search engines like Google, Yahoo, and Microsoft Live Search all record and retain in their vast data banks any term that you query in addition to the date and time your query was processed, the IP address of your computer, and a cookie-based unique ID that -- unless you delete it -- enables the search engine to continue to know if requests are coming from that particular computer, even if the connection changes...... continue reading the full article here
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