Alf's Zoo - This week, Hema Mohan tells us why we suddenly are so interested in the Internet of Things. It's stemming from an explosion of consumer apps, collaboration and the urge for a better life experience. In order to improve our world, we need to add artificial intelligence to previously dumb things to make them cognizant of our needs. Instead of telling us it is empty, the fridge orders a drone to deliver groceries to our home. Eventually, the IoT will reach the business world. And maybe one day, it can benefit our humanitarian causes, too.