Alvin Toffler's 'Future Shock' (1970), precursor to 'The Third Wave', described the effects of accelerated technological and social change in late 20st century societies. Thus, "future shock is the shattering stress and disorientation that we induce in individuals by subjecting them to too much change in too short a time." One of its symptoms is information overload (a term coined by Toffler in this book).
As an indication of the amount of change we've been subjected to since that time, watch this documentary (1972, by Alexander Grasshoff) based on the book. Besides great '70s visuals and soundtrack, the film is narrated by Orson Welles with much world-weary nostalgia.