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The flying drones putting workers out of a job

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Media captionPinc’s flying drone scans warehouse packages

Flying drones and robots now patrol distribution warehouses – they’ve become workhorses of the e-commerce era online that retailers can’t do without. It is driving down costs but it is also putting people out of work: what price progress?

It could be a scene from Blade Runner 2049; the flying drone hovers in the warehouse aisle, its spinning rotors filling the cavernous space with a buzzing whine.

It edges close to the packages stacked on the shelf and scans them using onboard optical sensors, before whizzing off to its next assignment.

But this is no sci-fi film, it’s a warehouse in the US – one of around 250,000 throughout the country, many gargantuan in size: retail giant Walmart’s smallest warehouse, for example, is larger than 17 football fields put together.

And these automated drones are now doing the jobs humans – on foot, or operating fork-lift trucks and mechanical lifts – used to do: and they’re doing them more cheaply and more accurately.

“Every year companies lose billions of dollars due to misplaced items and faulty inventory records in their warehouses,” says Fadel Adib, an assistant professor of media, arts and sciences at Massachusetts Institute of Technology.

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Hardis Group

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Hardis Group’s EyeSee drone can fly autonomously

“Today’s inventory management requires workers to scan items manually, which is a very time consuming and error-prone process. It’s impossible to keep track of all items in the warehouse.”

Two drones can do the work of 100 humans over the same time period, according to supply chain specialist, Argon Consulting. This means they can do several tours of a warehouse – even at night – compare results, identify discrepancies, and build up a much more accurate picture much more quickly.

Drone makers claim scanning accuracy of close to 100%.

Matt Yearling, chief executive of Pinc, one of the firms offering such aerial robots, says they can save warehousing and logistics companies millions of dollars.

“Nobody has 100% accuracy – including Walmart and Amazon,” he says. “For a warehouse that is 95% accurate, it means that 5% is ambiguous. So if the warehouse is storing $100m [£75m] worth of inventory, then $5m is uncertain.

“Typically the retailer will have more than one warehouse. So, if you multiply the problem across the warehouse network you are talking big dollars.”

Pinc’s drones use hydrogen fuel cells, enabling them to fly for up to two hours – four times as long as some battery-powered drones.

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French firm Hardis Group has also launched an inventory-scanning drone – EyeSee – and emphasises how autonomous it is.

“Flight orders and flight plan execution are ensured by our Android application,” says Stephane Cadenet, manager of the firm’s drone programme.

“Our solution is simple to use: no installation, no infrastructure adaptation and no driver. The only thing to do is unpack the drone. The calculation of the flight plan is automatic.”

Other companies, such as Infinium Robotics, have also developed drone scanning systems.

Of course, retailers have been using robots and automated systems in warehouses for some years. In 2012, fashion brand Net-A-Porter said its robot pickers were already 500% faster than humans.

Online grocer Ocado believes it will not need any human labour at all within 10 years. And online retailer Amazon’s Kiva robots have almost become famous.

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Media captionInstead of humans walking miles to pick goods, these robots take the shelves to the pickers

“Innovators are working to make drones and robots an integral part of warehousing, inventory, and logistics,” says JP Gownder, a principal analyst at research firm Forrester.

“Over the next 10 years, these technologies look set to revolutionise these spaces.”

But all this cost saving and efficiency comes at the expense of jobs for humans.

The $2.3tn e-commerce industry is huge and growing, but almost 75% of e-commerce companies employ no more than four people.

So it is no coincidence that in the US some 89,000 shop workers were laid off between October and April this year, while employment in New York City clothing stores has declined for three consecutive years.

Forrester estimates that automation technologies, including artificial intelligence, will replace 17% of US jobs by 2027. And growth in new types of employment will not be enough to compensate.

“Automation does create opportunities for new jobs – equivalent to 10% of today’s jobs,” says Mr Gownder.

“But that still leads to a net 7% loss of jobs due to automation, which has to be made up by macro-economic growth, non-automation related jobs, and monetary policy.”

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Media captionThe Ocado warehouse run by robots

Ryan Bax, industry analyst for mobility at research consultancy Frost & Sullivan, concedes that the use of drones and robotics in warehousing will lead to job losses, but believes growth elsewhere will compensate for this.

“As automation reduces the demand for lesser qualified jobs, the need for specialised skills within the logistics sector will grow,” he maintains.

And he thinks automation tech may even become mandatory once it has been shown to reduce accidents in the workplace.

“The use of automated technologies will permit warehouses to operate 24-hour days and improve stock management accuracy, but beyond this they will provide significant benefits to safety within the workplace.”

This will be small comfort for the thousands of warehouse workers displaced by drones and robots, but it is the inevitable consequence of our desire for online convenience, cheaper prices and faster deliveries.

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