Google Duo is a free video chat app that lets you make video or voice calls and send messages from any device. Here's how to use it.

Surface Duo. Usability: Maybe it’s just me, but I struggled at times to maneuver the Duo in my hands. I wonder if this will change as I use the device and grow more accustomed to it.

We can’t let an annual observance of National Cyber Security Awareness Month pass without mention of our old friend Duo Security. In 2018, Miami made two-factor authentication mandatory for all ...