When machine consciousness arrives, it will NEVER forget. Fortunately that isn't likely to happen. What may happen is that artificial intelligence will increase in speed and capacity until it rivals and/or exceeds human intelligence in certain fields. Roy Kurzweil embraces the term the Singularity, which was popularized by Vernor Vinge in his 1993 essay "The Coming Technological Singularity" to describe the point when advanced made by artificial intelligence will outstrip human ability to understand it.. See this description of his 2006 book on The Singularity.

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