- "You must delete all data concerning a user that you receive from the API if the user asks you to do so, and you must provide a simple and easily accessible mechanism for users to make such a request."
- "Your application and/or website must provide a link to the foursquare service settings page where the user can disconnect your application and/or website from the foursquare service."
- "If your application and/or website collects any information about foursquare service users or submits any user information to Foursquare, whether acting as a user of your application and/or website or indirectly:
You must prominently notify and obtain affirmative consent from the user before his or her location data is collected or used by your application and/or website. The notification must clearly disclose that both you and Foursquare collect and use the user's location data;
You must respect a user's foursquare user settings.
You must obtain affirmative consent from the user who provided the data before using it for any purpose other than displaying it back to that user on your application and/or website.
You must obtain affirmative consent from a user before you post any information on their behalf on your application and/or website, the foursquare service or through any third party service (including but not limited to Twitter or Facebook).
ou must provide a privacy policy to users of your application and/or website that clearly discloses how you collect, use, store and disclose user data, including that:
you receive and use foursquare service user data, including a description of the categories of user data received and how you use and disclose it;
you share user data with Foursquare, for use by Foursquare for its own purposes; and