​When you visit the Regeneron Sites, we collect information about your use of the Regeneron Sites. For example, we collect your IP address, pages visited, time spent on the site, browser and device type, language and date of your visit. ​We also collect information through tracking technologies such as cookies and web beacons to help us understand how you use Regeneron’s site and enable us to personalize your experience. These technologies help remember your preferences and allow us to bring you the content and features that are likely to be of greatest interest to you. We may collect content or contributions you post in a public space on the Regeneron Sites or other publicly available resources like social media campaigns. This includes comments, videos and photos that you might submit. If you contact us through a social media site, we may collect your social media identifier. We collect geographical data included in communication and content that you have submitted and from emails you receive from us that may also track which emails are opened and which links are clicked by recipients.