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American and United required the use of face masks for passengers and crew last month and said the new rule would be enforced for at least the next 60 days.

Amazon’s expanding delivery infrastructure goes beyond the aircraft and includes on-the-ground operations such as new regional air hubs at Lakeland Linder International Airport in Florida later this summer, San Bernardino International Airport next year, and a central hub at Cincinnati/Northern Kentucky International Airport in 2021.

American and British officials insisted his program had not been deliberately arranged to avoid protest areas.

Amazon’s announcement comes exactly one year after the conclusion of a heated battle between the company and the Seattle City Council over a tax designed to address the city’s homelessness crisis.

Amazon’s tablet business grew at a faster rate than any other vendor in the critical holiday quarter, shipping 5.2 million units and posting year-over-year growth of more than 175 percent, according to new numbers released this morning by the IDC research firm.