Las Vegas — Here are some key highlights of the 2017 International Consumer Electronics Show, which concluded on Sunday. Alexa Amazon’s virtual assistant Alexa was the surprise star of the show, with dozens of new products and services integrating the voice-accessed machine smarts into appliances, TVs, speakers, lamps, cars and more. Analysts said the gains for Alexa could help unify a fragmented market for connected devices, and bring artificial intelligence to more people, from young to old. Robots Robots showed off new skills and "personality". Hanson Robotics unveiled its life-like "Professor Einstein", which has realistic facial expressions and can engage in informative conversations such as lessons in maths and science. Other robots acquired intelligence from the internet cloud, giving them the ability to chat person-style and tend to monitoring homes or other tasks. A robot from Taiwan played chess — moving pieces against human opponents — to showcase how able it was at makin...

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