The karaoke robot and other technology news

BBC Click's Emily Bates looks at some of the week's best technology stories including:

  • Facebook signs an exclusive deal to show every La Liga game for the next three seasons to viewers in several countries including India and Pakistan

  • Moorfields Eye Hospital and Google’s DeepMind find artificial intelligence can diagnose eye disease as accurately as some leading experts

  • An imitation Thomas the Tank Engine is turned into a karaoke robot

See more at Click's website and @BBCClick.