'Help me find my Doppelganger'

Help

Sophie Robehmed is on a personal quest to find her doppelganger, the person in the world who most closely resembles her.

She has been using a blog and other internet forums in her endeavour.

With BBC News she visited Aurora, a British firm that specialises in facial recognition software, to see how it could help her.

Video Journalist: Dougal Shaw

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