Listing on InterestPin Listing your products and services on InterestPin is Free. You can use this social commerce platform to help your business grow. InterestPin connects businesses with thousands of potential customers every day through its platform and the Btab Network. InterestPin is also a tool to help you Collect, Organize and Share all the beautiful things you can find on the web. You will need a Desktop View to use Pin It Button as below. Drag and drop this button to your browser Bookmark toolbar.