In the age of digital communication, we often find ourselves in situations where the privacy of a conversation is a luxury. Do you remember the last time you were on a conference call in a coffee shop and had to almost hold your ears to hear the other person? Shiftall, a subsidiary of Panasonic, has brought a device on the scene - Mutalk, which promises to solve such problems. It's called Mutalk, a wearable soundproof Bluetooth microphone that reduces your voice by -20 decibels or more, meaning the person sitting next to you won't hear you.
