Is there a demo/preview page? It's rather hard to give you feedback without getting a feel for the product. A superficial prototype should suffice if you do not

Is there a demo/preview page? It's rather hard to give you feedback without getting a feel for the product. A superficial prototype should suffice if you do not have anything functional to show. If you have a working link, or anything else that you can share with HN, please post it here and I'll try to give you some comments. Right now I am drawing blank.