With the invention of printing, mass standardized culture had become possible.
With the inventions of photography and then cinema, the standardization of popular culture began to progress geometrically and its rate of change slowed down.
In addition, the complete documentation of daily life made possible by these technological advances presented the mass of humanity, for the first time in history, with a mirror in which to regard itself. Less and less had it been able to look away, as its own image became more detailed and perfect, especially with the burden of information that became available at the end of the twentieth century.
What this meant, in practical terms, was that retro was the only fashion.

Chapter 6, Alec and His Friends (p. 105) - The Life of the World to Come (2004)