When you sign up for the Service, we may collect information we ask you for, like your username, password, e-mail address, date of birth, gender, postal code, and country. We may also collect information you voluntarily add to your profile, such as your mobile phone number and mobile service provider. If you connect to the Service using your Facebook credentials, you authorise us to collect your authentication information, such as your username, encrypted access credentials, and other information that may be available on or through your Facebook account, including your name, profile picture, country, hometown, e-mail address, date of birth, gender, friends’ names and profile pictures and networks. We may store this information so that it can be used for the purposes explained in Section 3 and may verify your credentials with Facebook.