Coin is a new credit-card-looking device that holds all of your cards and can swipe as any one of them. This video had me mesmerized: http://youtu.be/w9Sx34swEG0 You swipe and store all cards—debit, credit, gift, loyalty, and membership—but can only enable 8 at a time on the device. Otherwise, you’ll need your smartphone to move through…
glitz, glam, and the gym
