A worker shepherds finished grocery boxes ready for delivery at the new FreshDirect online grocery service warehouse in New York City.

The U.S. Department of Agriculture plans to launch a two-year pilot program this summer with seven retailers to allow food stamp recipients the ability to purchase their groceries online.

More than 44 million Americans participated last year in federal government's low-income food assistance program, called SNAP, or the Supplemental Nutrition Assistance Program. Last year, the average benefit each person received was just over $125.50 per month.