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.

Amazon is reportedly developing smart glasses for delivery drivers to further maximize their efficiency. The glasses, first reported on by Reuters, would be based on the existing Echo Show glasses that feature Alexa built-in.

According to reports, Amazon is making a push to provide its delivery drivers with smart glasses. Here's everything we know so far about the tech.