The cello playing robot and other tech news

BBC Click's Paul Carter looks at some of the best tech stories of the week including:

  • A new daily covid-19 symptom tracker was launched by King’s College London and health startup ZOE to let anyone share their data with researchers and the NHS.
  • Phone sales dropped by the industry’s biggest-ever amount since the invention of the smartphone due to upheaval of manufacture and supply.
  • An Oscar-winning Icelandic composer has written a new musical composition – but she’s not playing it. Hildur Guðnadóttir’s latest piece has been performed by a robotic musician as part of an art exhibition in Zurich.

See more at Click's website and @BBCClick

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