Web Beacons Pages of the Site and e-mails from BSF may contain small electronic files known as web beacons (a.k.a. clear gifs, pixel tags, and single-pixel gifs) that help BSF count users who have visited Site pages or opened an email and for other related Site statistics (for example, recording the popularity of certain Site content and verifying system and server integrity). The web beacons, with user consent, may also assign anonymous identifiers to track multiple sessions by the same user to help improve the site and/or app and user experience. <p>