Apple mobile phones
Media playback is unsupported on your device
Video

Apple to team up with IBM

Apple and IBM have announced a business partnership that will see the two firms co-develop business-centric apps for iPhones and iPads.

In addition, IBM will start selling business clients Apple's mobile devices pre-installed with the new software.

Samira Hussain reports from New York.

Go to next video: Dr Dre celebrates $3bn Apple deal