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CES 2014: Sony chief Kazuo Hirai's life logging vision

8 January 2014 Last updated at 21:46 GMT

It has been a busy Consumer Electronics Show for Sony.

The Japanese firm has unveiled new life logging software, a wearable activity tracker, a PlayStation cloud gaming service and new projection tech among its many announcements.

The BBC's technology correspondent Rory Cellan-Jones caught up with chief executive Kazuo Hirai to quiz him about some of the latest developments.

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