The new Entropic Information approach
The mass-energy-information equivalence principle
Landauer’s principle formulated in 1961 states that logical irreversibility implies physical irreversibility and demonstrated that information is physical.
A 2019 paper from Melvin M. Vopson establishes some theory for a mass-energy-information equivalence principle and proposes an experiment to test it, a experimental protocol for testing the mass–energy–information equivalence principle.
"Here we formulate a new principle of mass-energy-information equivalence proposing that a bit of information is not just physical, as already demonstrated, but it has a finite and quantifiable mass while it stores information".
"This would be a eureka moment because it would change physics as we know it and expand our understanding of the universe. But it wouldn't conflict with any of the existing laws of physics.
"It doesn't contradict quantum mechanics, electrodynamics, thermodynamics or classical mechanics. All it does is complement physics with something new and incredibly exciting."