How the Digital Revolution is Accelerating Innovation, Driving Productivity, and Irreversibly Transforming Employment and the Economy
Erik Brynjolfsson, Andrew McAfee
Watson’s database, which consisted of approximately two hundred million
pages of documents taking up four terabytes of disk space, included an
entire copy of Wikipedia. For a while it also included the salty
language–filled Urban Dictionary, but this archive of user-generated
content was removed after, to the dismay of its creators, Watson started to
include curse words in its responses.