Media playback is unsupported on your device

Tech review: A look back at the week's headlines

29 August 2014 Last updated at 10:38 BST

BBC Click rounds up some of the week's top technology stories, including a camera harness for dogs from US company GoPro.

A safety adviser at Facebook is calling on the social networking giant to introduce safeguards to prevent users from being exposed to violent images.

A Japanese study has found that children who spend over four hours on their phone each day perform far worse than those limited to 30 minutes' use.

Watch more clips on the Click website. If you are in the UK you can watch the whole programme on BBC iPlayer.

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.