As evidenced by the recent expansion of Amazon's drone delivery program -- which can get packages to you in under an hour, the company has a renewed focus on shaving seconds off deliveries, especially in the last few miles. Also: Snap's new Spectacles 5 ...

Amazon is developing smart eyeglasses for its delivery drivers to guide them to, around and within buildings, as it tries to smooth the final stretch of an order's journey to a customer's home, five people familiar with the matter said.