In this episode, Audrow Nash speaks with Karl Weaver (魏卡爾), formerly the Original Equipment Manufacturer Business Development Director for Oasis Smart SIM. Weaver discusses how wearable technology is growing as a form of payment system in China. He speaks about wireless technology, including Near-Field Communications (NFC) and Embedded SIM cards (eSIM), in wearable technology and in other applications, such as bike rental.