Tributes pour in for Apple boss Steve Jobs
Tributes from admirers and business rivals alike have been paid to Steve Jobs, the visionary co-founder of Apple, who has died aged 56.
As the creative force behind such products as the iPod and the iPhone he is credited with changing the world of communication.
He died of cancer at his California home on Wednesday.
The BBC's technology correspondent Rory Cellan-Jones looks back at his life and achievements.