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And computers have difficulty distinguishing between defects that are easily resolved, like dust or fingerprints, from serious ones like cracks or nicks, "because to a computer camera, they look very similar," he said.

And with the latest surge in coronavirus cases, the American Veterinary Medical Association says about 80 percent of veterinary clinics it surveyed now provide curbside care; two-thirds offer contactless payment; and more than a third now offer telemedicine as an option.

Andy Jassy, AWS CEO, speaking via webcast this morning.

An online exhibition was also held on Wednesday, providing online matchmaking and promotion services for more than 2,200 technological achievements.

And then, information in need can be calculated and reported to the drivers to guide them to choose the best route in case of traffic congestion or other hazardous situations.