When Luka CEO Eugenia Kuyda's best friend Roman Mazurenko died, she populated a neural network to create a bot that mimicked his speech patterns.

"What if it didn't sound like him?

What if it did?"

http://www.theverge.com/a/luka-artificial-intelligence-memorial-roman-mazurenko-bot

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Sorry for more OT posts, but some people here will love this text, very interesting and human.  It's about love and technology.

Still crying a lot and laughing at same time.  Many years ago, when my fiancé died, I asked to all the IT engineers who I knowed if it would be possible.  I wanted him back so deeply...  I wanted back all the poetry and the music with all my heart and soul. 

His best friend, an engineer like him, said that it _never_ would be possible.  He was wrong.  It _is_ possible, but I never wanted a bot pretending to be him.  A bot never will write me sincere poetry about love and sea.  I simply wanted him back...

-  c.
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"I disapprove of what you say, but I will defend to the death your right to say it."