For our privacy policy please see the relevant section of the Terms and Services. Here is an excerpt:

PRIVACY POLICY

flyagogo.net will not sell or give your e-mail address or any other information about you to anyone else. The information that you provide when creating an account with flyagogo will be used for the purpose of providing the flyagogo service to you. We may use some of the information provided to us in order to display customized and more relevant advertisements to our users. You agree to receive an occasional e-mail from us in the case of important notifications about your account or changes to our service. If the newsletter option in your account settings is enabled you agree to receive an occasional low frequency newsletter via e-mail.