I just ordered Advil and yogurt for our office using Instacart [https://www.instacart.com/], an incredibly awesome new service that delivers groceries to your door in under three hours. Instacart has been in the news [http://thenextweb.com/apps/2012/11/15/grocery-delivery-service-instacart-takes-its-service-to-the-web/] a lot lately, and is billing