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10 most powerful women in tech

The tech world is fast-moving, highly competitive and male-dominated. But not completely male-dominated. Some of the most prestigious and best-remunerated roles are held by females. Carolyn Leighton, founder and chairwoman of Women in Technology International, identifies the 10 most powerful women in tech.

Produced by Mairi Mackay, CNN and Rose Hoare and Eoghan Macguire, for CNN