Today's coffee break fodder. Another YouTube storm around this clip, uncovering what is apparently an extra in a Charlie Chaplin film from the 1920s carrying a mobile phone.
The footage was found on the DVD extras section of the 1928 film The Circus.
A woman man (or perhaps a man in drag!) speaking into a shoe? Or evidence of time travel?
Either way, it's pretty freaky...
UPDATE: Apparently this might be the answer, a 1920s handheld hearing aid.