The Duke and Duchess of Sussex will campaign to end online hate speech, as they work with racial justice groups to take on internet giants.
Prince Harry and Meghan Markle are supporting a campaign by American civil rights groups to call for "structural changes to the online world", believing there is an "urgent and pressing need" for reform.
It includes the Stop Hate for Profit movement, led by the National Association for the Advancement of Colored People, Color of Change and Anti Defamation League, which is urging businesses not to advertise on Facebook next month.
Launched after the death of George Floyd, it calls on brands to boycott advertising until the social media platform does more to combat the publication of hate speech and fake news.
The NAACP said yesterday: "We are grateful for the leadership of the Duke and Duchess of Sussex in recognising the importance of solidarity in this moment. Your commitment to truth, justice, and equality are appreciated."