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Web bugs are surprisingly common. The Cyveillance technology and analysis company found that their use grew nearly 500% between 1998 and 2001. Web bugs can send the following information back to a server: The IP address of your computer, the URL of the page on which the web bug is located, so they know that you visited the page, the time the web bug was viewed, so they know exactly when you visited the page, the URL of the web bug image, or the type of browser that you have. Web bugs are just one more reason why internet filter and spyware blocker software is essential.
|Jennifer Mathes, Ph.D.|