Rated 3 out of 5 stars

Very good app, it does need a full disclosure as previously stated by DMiller.

This review is for a previous version of the add-on (3.2.0). 

InvisibleHand does not store personal data and has a full disclosure privacy policy

IH does not store personally identifiable information and does not pose a privacy threat. It has a comprehensive privacy policy at http://www.getinvisiblehand.com/privacy/index?locale=en