An international study looks at the online experiences of young people from marginalised groups, including sex workers, gay and transgender people, and people living with HIV. It concludes they are facing a surge in online abuse. We speak to Phong from Vietnam about his experience, then hear about the study from the lead researcher.

Also on Tech Life this week, find out how a drone company in Ghana has benefited from US foreign aid cuts. And how could catching the bus help improve your posture ?

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Presenter: Imran Rahman-Jones
Producer: Tom Quinn
Editor: Monica Soriano

(Image: A photo of a woman who has received online abuse. Credit: OcusFocus/Getty Images)