Ford builds robot which tests car seats and other news

BBC Click's Nick Kwek looks at some of the best of the week's technology news stories, including:

  • WhatsApp releases a Delete For Everyone function allowing users to retract comments after they have been sent

  • Ford develops a robot which tests car seats by sitting in them

  • Sony announces it will bring back its famous robot pet dog, Aibo

See more at Click's website and @BBCClick.