Media playback is unsupported on your device

Why train windows could start talking

5 July 2013 Last updated at 14:07 BST

Twitter has released a new tool to help more people follow the events in Egypt by providing automated translation powered by Microsoft Bing, Mozilla launches a new smartphone operating system and why train windows could start playing adverts.

BBC Click's Spencer Kelly looks at these and other tech news stories.

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.