A bunch of companies are working on perfecting delivery robots. In the future, you will be able to choose robot delivery when ordering things online. Marble, is already testing its delivery robots in San Francisco with Yelp Eat24. Users simply order from an app, wait for the robot to arrive, and enter a code to unlock it.
Must see robots & drones:
These robots use advanced sensors and high-resolution 3D city maps to navigate busy environments. They come with swappable cargo bays to transport all kinds of items.
[HT: TechCrunch] [Source]
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