Media playback is unsupported on your device

Speculation over who will take over Microsoft in 2014

24 October 2013 Last updated at 10:57 BST

Questions are being asked over who will take over Microsoft when its current boss Steve Ballmer leaves in 2014.

The company has reported profits for the past three months but is struggling against its nearest rivals Google and Apple.

Mariko Oi reports.

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.