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DoorDash raises another $250M, nearly triples valuation to $4B

Food delivery startup DoorDash announced this afternoon that it has raised $250 million, just five months since the company announced a $535 million round. Why raise more money so soon? CEO Tony Xu told Axios that he wasn’t actively looking for additional investment, but was open to investor interest because it ...

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VR optics could help old folks keep the world in focus

The complex optics involved with putting a screen an inch away from the eye in VR headsets could make for smart glasses that correct for vision problems. These prototype “autofocals” from Stanford researchers use depth sensing and gaze tracking to bring the world into focus when someone lacks the ability ...

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This robot maintains tender, unnerving eye contact

Humans already find it unnerving enough when extremely alien-looking robots are kicked and interfered with, so one can only imagine how much worse it will be when they make unbroken eye contact and mirror your expressions while you heap abuse on them. This is the future we have selected. The ...

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What the rumors say about Google’s upcoming Pixel 3

Now that the Note 9’s all good and official, it’s time to move onto the next major smartphone. The Google Pixel 3 leaks haven’t quite hit the fever pitch we saw with Samsung’s device ahead of launch — though there’s still time. After all, it seems likely the latest version ...

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Blind loyalty

There is a secret behind every open office in Silicon Valley — and it isn’t the drain on productivity. Tech companies have been the vanguards for pushing corporate culture forward toward “radical transparency.” Mark Zuckerberg works in a fully transparent four-walled glass office surrounded by the rest of Facebook. Valve ...

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Autonomous drones could herd birds away from airports

Bird strikes on aircraft may be rare, but not so rare that airports shouldn’t take precautions against them. But keeping birds away is a difficult proposition: how do you control the behavior of flocks of dozens or hundreds of birds? Perhaps with a drone that autonomously picks the best path ...

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