Google Books Ngram Viewer [1] shows a usage blip (glitch?) in 1962, a exponential growth starting in 1964. [1] https://books.google.com/ngrams/graph?content=gl

Google Books Ngram Viewer [1] shows a usage blip (glitch?) in 1962, a exponential growth starting in 1964. [1] https://books.google.com/ngrams/graph?content=glitch&year_start=1910&year_end=1980&corpus=26&smoothing=0# https://books.google.com/ngrams/graph?content=glitch&year_st...