As far-fetched as it sounds, the era of drones delivering packages is about to begin, according to Amazon. Earlier today, the company released a new ad on YouTube showing controversial British TV host Jeremy Clarkson praising the benefits of Amazon's still in-development drone delivery service, Amazon Prime Air, along with an all new "hybrid" drone design that can switch between vertical and horizontal flight.

"A miracle of modern technologies," Clarkson says, as the ad cuts to scenes of a father and mother using an Amazon Kindle Fire tablet to place an order for their daughter's new soccer shoes using a new Amazon Prime Air button, which promises delivery in 30 minutes or less.

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The ad then shows off a striking, all new, rectangular blue-and-white drone with rotors at the back and underbelly -- a starkly different design than the black quadrocopter drone Amazon showed off in its announcement about Amazon Prime Air last year. Amazon Prime Air's change of design mirrors that of Google's Project X wing drone. That drone started as a tail-sitting plane, but now looks like a quadcopter with additional forward propellers.