Hungry? Call Your Neighborhood Delivery Robot

Here's a classic big city dilemma (sorry suburban folks): It's late at night, the weather is bad, and you're hungry. Your favorite restaurant is less than a mile away, but you don't want to leave the house, and you don't want to pay a $5 delivery fee — plus tip — for a $10 meal.

So, what do you do?

Back in the old days, you would have braved the elements — or learned to plan ahead. But those days are coming to an end, at least in