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Bezos fielded a handful of shareholder questions related to?Amazon Web Services, saying that the AWS team “continues to innovate at incredibly fast speed,” with 722 new services and major features added in 2015, up from 516 new features and services the previous year.

Biden holds a comfortable lead in national polls, which also show a public increasingly dismayed by Trump's handling of the largest public health crisis in US living memory. Polls in battleground states that might decide the election are tighter.

Besides, terminal one of Hong Kong airport plans to add more than 40 self-service baggage-checking machines this year.

Bezos’s comments echo past statements, however they come at a time of increased scrutiny on the technology industry’s relationship to law enforcement and national defense. Amazon has been under the microscope for a number of different products recently, including its facial recognition software and Ring’s contract with law enforcement agencies.

Besides the role of protecting the wearer's head, it acts as a terminal for distributing information on the construction sites and has been integrated into the safety management system based on internet of things technology.