Traditional economy
The .mp3 file format is known to be one of the smallest sound file formats due to its compression techniques that reduce the file size without compromising too much on the audio quality.
The smallest known organism on Earth is a type of bacteria called Mycoplasma genitalium, which has a size of about 200-300 nanometers.
The fairyfly, a type of parasitic wasp, is considered the smallest arthropod. These tiny insects can measure around 0.139 mm in length.
a photon
fairyflies