Let us consider the smart fridge. This modern convenience, part of the much-vaunted Internet of Things and a key component of many smart homes, give you the ability to track its contents and see them displayed via smart phone or tablet when you’re away from home. To some, this might seem like somewhat of a frivolous piece of technology, but imagine the following scenario: you’re at the grocery store, doing your weekly stocking up; you have a whole shopping list full of items that you expect to be depleted within the next few days, from eggs and butter to fresh produce. What you’re not planning on buying is milk, because when you left the house you still had most of a gallon left. Then, all of a sudden, you receive an alert from your phone letting you know that you’re out of milk. Unbeknownst to you, your partner has accidentally taken the existing gallon out of the fridge and spilled it. Luckily, she instructed the fridge to send you a real-time update and you were able to add it to your shopping list before you left, saving yourself an extra trip to the store or a week without any milk.