Registration and Eligibility.<p>You may need to register for an account or use your credentials (e.g. username and password) from a third party social media platform to access some or all of our Services. If you register for an account with Foursquare, you shall provide Foursquare with accurate and complete registration information (including, but not limited to your email address and/or mobile telephone number (optional) and a password you will use to access the Service).