Some of our web pages, promotional e-mail messages, and/or newsletters may contain electronic images known as web beacons, which are also called single-pixel gifs. Web beacons are not used to access your personally identifiable information, but they are a technique we use to compile aggregated statistics about the usage of our websites and to track the number of users who have opened and acted up our promotional e-mail messages. Web beacons collect only a limited set of information including a cookie number, time and date of a page view, and a description of the page on which the web beacon resides. 