Grocery wars are going to the next level as more shoppers buy food online. According to Coresight Research, 36.8 percent of US consumers bought groceries online in the past year. That number could go up as grocery shopping gets even more on- demand. This fall, Walmart will start delivering groceries directly to your refrigerator with the announcement of their "In Home" service. But skeptics are quickly pointing to safety concerns when giving a courier free reign of your home. We spoke to Josh Constine, Editor-At-Large for TechCruch about the new service.