Judging by the millions of YouTube views since it launched just last week, there's quite a bit of interest in Coin. The Bluetooth-enabled swipeable lets you add in identifying info from up to eight individual credit, debit, membership, loyalty and gift cards, and comes along with companion Android and iOS apps that boost functionality. While the applications enable you to save detailed card info for online purchases, push additional payment methods to Coin and access the Bluetooth-powered
