Some user data (such as photos, access token, user id) is stored when required for the app to be functional, but not shared or used without your permission or when not required for proper functioning or the app.
Aggregate information about the actions users take is stored, to improve the product.
We will delete all data you received from Facebook relating to any user who removes or disconnects from your application unless otherwise permitted in the Platform Guidelines.
Like many websites or App, we collect information including but not limited to browser configuration, language preferences, and referring websites. We also collect potentially personally-identifying information like IP addresses. We collect this information in order to better understand how our visitors are using our website or App.