1. Japanese startup Donut Robotics has developed an Internet-connected “smart mask” that can transmit messages and translate from Japanese into eight other languages. 2. The white plastic “c-mask” fits over standard face masks and connects via Bluetooth to a Smartphone and tablet application that can transcribe speech into text messages, make calls, or amplify the mask wearer’s voice. 3. Donut Robotics built a prototype connected mask within a month by adapting translation software developed for its robot and a mask design that one of the company’s engineers, Shunsuke Fujibayashi, created four years ago. 4. Donut Robotics’ first 5,000 c-masks will be shipped to buyers in Japan starting in September at about $40 per mask.