The document describes a proposed service called WaitForSales that notifies customers when online stores have sales or discounts. It would allow customers to click a button on store websites or install a mobile app to receive notifications of deals. Stores can sign up by creating an account and adding the WaitForSales button. The service tracks store sales and sends alerts to interested customers. It aims to benefit both customers who want deals and stores that want to promote sales. Details are provided on how the service would work, its business model, competition, status, and terms for success.