Social media is just accelerating trend adoption, peaking, and obsolescence to the point that it can sometimes happen in days, or even shorter.

"Summer in the Sprawl, the mall crowds swaying like windblown grass, a field of flesh shot through with sudden eddies of need and gratification." - William Gibson, Neuromancer

He continues to be the most prophetic science fiction writer, nailing the zeitgeist of the early 21st century in the 1980s.