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Can we become addicted to technology?

Psychologist Tanya Byron investigates whether it is possible to become addicted to computer games and social networks.

Through smartphones, tablets, laptops and their apps, technology now influences almost every aspect of our lives, and many fear that this digital way of life can be dangerously addictive.

BBC Newsnight asked psychologist Tanya Byron to investigate if there is something inherently addictive about modern technology, and if there really is something to fear.