When you create an account on Goodshop using your Facebook login information, you are able to see and accept a list of details that will be shared with us including your basic info, and your public information. At this time we do not share any of your Goodshop activity to Facebook and all users have the option to opt out of this feature should it be added in the future.
For more information, on Facebook visit Visit Privacy Settings -> Edit Settings for Ads, Apps, Websites -> Edit Settings for Apps you use -> Select goodsearch app and Edit.