Phone carriers may have sold more location data than first reported -- An online calculator predicts your chances for future kidney stones -- Amazon could be testing facial recognition on their sellers

Summary: Mobile phone carriers might have sold your location data even more than first reported. A new online calculator could give you your odds of getting kidney stones again. Amazon might be testing their facial recognition software on sellers. A new study says electric cars lose a lot of power during extreme cold weather. A smartphone just helped complete a nearly 200-year-old symphony. Jack Spirko from the Survival Podcast will also be here to talk about food storage.