The SendGrid services also collect some additional data in the form of web beacons placed in the body of emails delivered using the SendGrid platform. This allows us to keep track of whether or not an email has been delivered, opened, clicked on, whether it bounced or was treated as spam. You may learn more about these web beacons on our Website Navigational Information page.</p>Customer Content and Email Recipients’ Personal Information<p>Like Twilio, SendGrid is a data processor for Customer Content, like email communications contents and the contents of marketing campaigns.