After an ex-boyfriend threatened to post her naked pictures, Carrie Goldberg had an idea.

The law firm she set up targets the people behind so-called revenge porn - the non-consensual sharing of sexual images online.

And she's also taken the fight directly to social media and dating tech companies.

Video journalist: Gerard Groves

Camera: Henry Morton

Additional footage: Getty Images

Hear the full interview with Carrie Goldberg on Trending from the BBC World Service.

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