Where Are the Delivery Drones?

The technology is hard and the economics of mass deliveries may never make sense.

from NYT > Top Stories https://ift.tt/Ai0hHWC Read about Implantation bleeding quiz https://urlzs.com/fZw6K Chlamydia in men https://urlzs.com/W3NV1 https://ift.tt/lbxd9Z1 https://youtu.be/QFwQ6JvyPa8