Ditosell - Seamless Solutions for Deliveries and Errands
Instacart - Groceries delivered in an hour. Free delivery or pickup on your first order over $10!
Deliveries - Deliveries lets you track of all your packages in one place
Ocado - The online supermarket
aircart - aircart makes it really easy to sell an ebook, app, design files, album or any digital product you can think of fast and easy and get paid to your bank account, paypal or mobile money account.
USPS Informed Delivery - Get an image of your mail before it arrives