Web beacons also allow ad networks to provide anonymized, aggregated auditing, research and reporting for us and for advertisers and enable ad networks to serve targeted advertisements to you when you visit other websites. Web beacons allow ad networks to view, edit or set their own cookies on your browser, just as if you had requested a web page from their site.</p> <p>Boingo may use web beacons in the following ways:</p> <ul> <li>Boingo may use web beacons within our Web sites in order to track customers signing up at one of our hotspot locations.</li> <li>Boingo may use web beacons within our Web sites in order to fulfill sponsored access campaigns or other promotions.</li> <li>Boingo may use web beacons to measure where customers leave the signup process in order to improve customer experience.</li> <li>Boingo may use web beacons to track customers that come through our Web sites from advertisements or search engines.</li> <li>Boingo may use web beacons to serve ads to customers after they leave our Web sites.</li> </ul> <p>Boingo also records the MAC (Media Access Controller) address, IDFA, ADID and device identifier numbers from the network card in or used with your computer or other device to enable Boingo to accurately perform our billing functions and in the ordinary course of business.</p> <p>We comply with the Digital Advertising Alliance (“DAA”) Self-Regulatory Principles for Online Behavioral Advertising. Through the DAA and Network Advertising Initiative (“NAI”), several media and marketing associations have developed an industry self-regulatory program to give consumers a better understanding of, and greater control over, ads that are customized based a consumer’s online behavior across different websites and properties.