We may also use ""pixel tags,"" which are small graphic files that allow us to monitor the use of the Services. A pixel tag can collect information such as the IP address of the computer that downloaded the page on which the tag appears; the URL of the page on which the pixel tag appears; the time (and length of time) the page containing the pixel tag was viewed; the type of browser that retrieved the pixel tag; and the identification number of any cookie previously placed by that server on your computer. 