It was the macbooks built in microphone: https://security.stackexchange.com/questions/128247/why-does-mark-zuckerberg-cover-his-headphone-jack-with-tape https

It was the macbooks built in microphone: https://security.stackexchange.com/questions/128247/why-does-mark-zuckerberg-cover-his-headphone-jack-with-tape https://security.stackexchange.com/questions/128247/why-does...