This applies to the following Alexa Skills:
Nothing. We don't collect any identifying information.
*When making use of location based APIs, they are accessed directly via Amazon's Alexa Location API, the permissions of which can be managed by the user and changed at any time. These values are not stored by the developer in any capacity, any use of that information is handled directly on Amazon's servers by their own APIs under their own terms.
No and never. These are hobby skills meant for fun and amusement, which are primarily open sourced.