ignirtoq

Also the woman looks like she’s spitting out the food, not eating it.

Energy is not only a property of matter. Photons have energy, no mass, and are not matter but in fact force carrier particles.

It doesn’t matter. Even if it were constantly streaming the current volume level, the energy to transmit the value “100” is the same as to transmit “5”, so your phone doesn’t drain any faster to constantly tell the earbuds the volume is high versus low.