Web Beacons<br> You can normally render web beacons and other tracking technologies ineffective by switching off cookies in your browser. There are also browser add-ons and extensions that specifically block web beacons. If you object to web beacons in emails, we recommend that you follow the instructions for deleting existing cookies and disabling future cookies above. We will still know how many of our emails are opened and we will automatically receive your IP address, a unique identifier of your device or other access device.