Virtual Challenge - Why do you need my email to create an account on your tracking platform? Q: Why do you need my email? A: Our tracking platform only uses your email to send you updates concerning challenges you've joined. You'll receive emails after you've logged an activity (for a challenge status update), as well as when challenges are completed. You can unsubscribe at any time. We also need your name & email address in order to issue your digital finisher's badge at th end of your challenge.