Google's Street View cars track air pollution
Media playback is unsupported on your device
Video

Google's Street View cars track air pollution and other news

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

  • Apple announces a voice-activated speaker powered by Siri, its virtual assistant
  • Video-recording sunglasses from the company behind Snapchat go on sale in the UK
  • Google's Street View cars produce an air pollution map

See more at Click's website and @BBCClick.

Go to next video: Using VR to help treat a severe stutter