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Amazon Fresh grocery delivery truck from the Amazon Prime Service parked on a suburban street in San Ramon, California, July 5, 2018.
Amazon is making one-day shipping the standard for prime members.
Olsavsky said the company would use "all the available levers" for free one-day shipping, including existing partners like the United States. Postal Service and UPS, as well as Amazon's own third-party delivery network.
"We said taking a significant step," he said.
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