Autonomous robot mimics bat in flight and other news

BBC Click's Lara Lewington looks at some of the best technology stories of the week including:

  • The Nintendo Switch games console has outsold its predecessor, the Wii U, just 10 months after its launch

  • Facebook has banned cypto-currency adverts

  • Caltech has built a fully autonomous robot that mimics a bat in flight

See more at Click's website and @BBCClick.