How to silence (mute) the iPhone camera shutter sound

There has been considerable interest and discussion surrounding national mandates in Japan and South Korea, where authorities require camera manufacturers (Apple included) to disable “mute” functions when applied to camera usage, and to effectively keep the shutter noise fully audible. In certain surroundings, the shutter sound is too loud for the sensitivities of many iPhoneographers. Read more about the “camera noise” controversy and problems with > clandestine voyeurogrphy.