This document is a student paper about the history of computer technology and microphones from 1999 to the present. It provides a list of over 10 sources on topics like the development of fibre optics, lasers and interferometers in computer research from 1999 onward. It also cites sources on the history and types of microphones, including moving coil transducers, shotgun microphones, dynamic microphones, and recent innovative microphone companies and products.