| http://www.w3.org/ns/prov#value | - 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.
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