[I]nformation... has been in physics for a long time, in the most obvious way with Maxwell's demon... It… — Paul Davies

[I]nformation... has been in physics for a long time, in the most obvious way with Maxwell's demon... It was... just a Gedanken-Experiment... in 1867, but just in recent years, engineers (nanotechnologists) have built real Maxwell demons, and this is now something of a cottage industry.

Source: Wikiquote · CC BY-SA 4.0