If you want to add a simple shopping cart to your site, this is a good start. ? It keeps track of returning users without using cookies. ? They check off items on your pages then click "add to cart. "? It will add shipping etc. to the final total, then when they click "purchase", you are notified. ? Their email is sent to you so you can contact them about payment. To deploy, simply add a checkbox code to each item on your site.