6 Seconds - The shortest podcast in the world.

1 second would be shorter

The comments here totally reminded me the "7 minute abs" scene from Something About Mary - https://youtu.be/JB2di69FmhE?t=31

I love this idea if only because it ends up as a montage of audio bits. This might do really well on the recent audio app Anchor (https://anchor.fm/) as well.