Artificial intelligence (AI) refers to complex software that performs tasks in a way similar to human brains, often by sensing and responding to a feature of their environment.
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This could mean learning to solve problems in unexpected ways, recognising the nuances of speech, or exhibiting some form of human-like creativity.
Just as no single quality defines human thinking, no clear line differentiates more basic computer programs from AI. It can be thought of more as an ideal than a category - using our own penchant for learning and problem solving to inspire new technology and answers to some of our biggest and most complex questions...
Others, however, argue the biggest threat from AI will continue to be how humans choose to use it.Even seemingly innocuous forms of advanced AI can be used maliciously. Recently, computer scientists had to scale down a "chameleon-like" language prediction system saying it was too dangerous to release to the public.