Amazon is developing a type of smart eyeglasses that can provide detailed directions to its delivery drivers to potentially shave time off of deliveries, according to a report from Reuters.Reuters said it spoke with several people familiar with the project on the condition of anonymity because it is not public.The smart glasses would provide turn-by-turn navigation and help drivers get around obstacles or warn them about things like an aggressive dog, Reuters reported.RELATED STORY | Amazon launches 'no frills' private label grocery brand; Prime customers get discountsIt would allow the delivery drivers to be more hands-free without having to rely on GPS navigation through smartphones or other handheld devices, and could potentially shorten delivery time in the increasingly competitive world of e-commerce. The development of these smart glasses could take years, the sources reportedly told Reuters.RELATED STORY | Amazon expands same-day pharmacy delivery to include half of USSmart glasses are becoming more popular in the world of wearable technology after companies like Ray-Ban and Meta partnered to release their own version that can do things like record videos, conduct phone calls and use artificial intelligence in real-time.