What happens to our data once it's been handed over to DNA testing companies? One such firm, 23andMe, filed for bankruptcy earlier this year. The company was set up to help people could track their ancestry - one of a number of similar sites using DNA data to create links and matches between users.However the company has been dogged by privacy concerns over its use of customer information and was fined for a data breach that exposed UK customers. What lessons can be learned now the company's been bought out of bankruptcy by its co-founder?Produced and presented by David Reid(Image: Woman swabbing her mouth for a DNA test. Credit: Getty Images)

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