One of Google's self-driving cars Google Amazon and UPS are investigating package delivery via automated flying drones, but a New York Times profile of Google's recent interest in robotics lays out an interesting hypothetical situation: imagine a self-driving car pulling up in your driveway, and a robot getting out to deliver your package instead of a living, breathing UPS human bedecked in brown.

While Google's self-driving cars are anything but common right now, there's overwhelming evidence to suggest the technology is realistic enough to one day seem safe and suitable to the public satisfaction.

And while the programming and intelligence necessary for a robot to make the walk from its autonomous car to your door while carrying your packages doesn't yet exist, it's far more likely that the engineers and roboticists at work on these types of problems will be able to solve them before Amazon's drones ever take to the skies with the government's blessing.

Don't agree? Nevada and Florida already legalized autonomous cars and legislation is underway in Michigan and California (Colorado's proposed legislation wasn't successfully passed). While the legal side of the self-driving car story is already underfoot, commercial drone certification isn't even slated to begin until 2020. Pair this with rapidly developing branches of robotics such as machine learning, and it seems like the robot delivery guy will beat the robot delivery helicopter to your door.