We and our service providers may also use so-called "pixel tags," "web beacons," "clear GIFs" or similar means (collectively, "<strong>Pixel Tags</strong>") in connection with some Website pages and HTML-formatted e-mail messages to, among other things, compile aggregate statistics about Website usage and response rates. A Pixel Tag is an electronic image, often a single pixel (1x1) that is ordinarily not visible to Website visitors and may be associated with Cookies on the visitors’ hard drives.