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But experts say the shift to faster shipping times complicates the picture and can reduce the environmental benefits of e-commerce. That’s because the need for speed makes it more difficult for retailers to optimize their logistics infrastructure to ensure that packages bound for similar destinations are shipped together.

But it looks like the highlight of the talk, at least for the kids, was Amazon’s delivery drone. Bezos even brought one for the students to check out, and they were clearly interested:

But a lot more cases should come out at a fast clip.

But signatories to the fragile agreement on May 3 agreed to extend the formation of a transitional government by six months following delays in the implementation of the pact.

But Jon Taylor, a professor of political science of the University of St. Thomas in Houston, sees things differently.