7 crazy drone concepts

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Amazon (AMZN) CEO Jeff Bezos revealed that the company is working on "octocopter" drones that would deliver packages within 30 minutes. They would be able to travel up to 10 miles and could handle products under five pounds. That weight limit covers nearly 90% of the company's offerings.

But don't expect to receive that (literally) last-minute gift at your doorstep just yet. Bezos said in an interview on "60 Minutes" that the drones won't be ready to take flight until 2018.