Answer: Urban Dictionary
In 2011, Watson, the IBM supercomputer best known for its run as a Jeopardy participant, received , a new tool in his language arsenal: swearing.
Researchers responsible for expanding the vocabulary and ability of Watson to use the language in a more nuanced and natural way, thought it would be useful to teach Watson jargon and proverbs. In essence, they wanted to give Watson the opportunity to speak more like we talk to each other and less like a supercomputer that carefully selects an answer.
To this end, the researchers unleashed Watson on Urban Dictionary, the vast internet with 7 million entries of slang words and phrases. On the one hand, the experiment was a huge success, cracking through the Urban Dictionary database radically expanded Watson's word selection and the nuance of language. On the other hand, Watson turned out to be terrible in discerning when the language was appropriate and not ̵
Response to changes in Watson's vocabulary researchers ended the Urban Dictionary experiment and set up filters to help Watson stop cursing in the future.