[thekevan]

They had smartphones in the 1900s? Could this be related to that woman supposedly seen speaking on a cell phone in the Charlie Chaplin video?

http://ngrams.googlelabs.com/graph?content=smartphone&ye...

(Actually, "internet" also has a similar spike. I suspect some books are mislabeled in their dates.)

[nrkn]

Some dates are mislabled, but mostly OCR errors:

http://www.google.com/search?q=%22internet%22&tbs=bks:1,...