First, there were. Now, microphones are going the way of the *cough cough* throat. Apparently, no part of the human body is inviolable when it comes to tech accessorizing.
Inspired by the military, Japanese company Sanwa's Throat Microphone design is fortunately styled to appear more like a slim necklace than a neck brace. Though whether this odd gadget will actually improve call clarity using neck vibrations rather than the spoken word has yet to be put to the test, since this is still vaporware now awaiting commercial takeoff.