had some issues with it, was clearly not fully functional, Had been stuck with misc. problems connecting, loosing volume, or simply cuts out, connects on and off. even with firmware updates, didn't help. I ended up buying one retail locally after 10 months, and it didn't have any of the issues. Go figure. Maybe it's the vendor that's selling refurb? that we don't know about.

Weapons of Math Destruction by Cathy O'Neil puts advanced mathematics and social analysis together to show how big data runs much of the world. It explores the connections between consumer marketing and politics, housing units and credit reports and many other topics that most people do not think about but that lurk behind the scenes.