A customer of mine asked: is there any simple widget so I can give discounts to the visitors that share and spread the word about my product? 72h later I came

A customer of mine asked: is there any simple widget so I can give discounts to the visitors that share and spread the word about my product? 72h later I came up with this. It's a prototype. What do you think? It's free to use / pay to remove branding. Include one JS external script and the widget will pop up on your website.