 Erasing information is a thermodynamically irreversible process that increases the entropy of a system.Although Bennett had reached the same conclusion as Szilard's 1929 paper, that a Maxwellian demon could not violate the second law because entropy would be created, he had reached it for different reasons.Regarding Landauer's principle, the minimum energy dissipated by deleting information was experimentally measured by Eric Lutz "et al."