(BBC) Half of all misogynistic tweets posted on Twitter come from women, a study suggests.
Over a three-week period, think tank Demos counted the number of uses of two particular words as indicators of misogyny.
It found evidence of large-scale misogyny, with 6,500 unique users targeted by 10,000 abusive tweets in the UK alone.
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Twitter boss Jack Dorsey has said that tackling abuse is a priority.