Prime Minister Justin Trudeau said social platforms were "failing their users" on Thursday, while speaking at the Viva Technology conference in Paris.

World leaders, including Prime Minister Justin Trudeau, and tech bosses are meeting Wednesday in Paris on the "Christchurch Appeal," named after the New Zealand city where 51 people were killed in a March attack on mosques.

Justin Trudeau might see his country as a beacon of hope in a roiling sea of polarization and angry nationalist sentiment, but Canada is far from immune.

The speech was entirely in French and took 33 minutes to deliver.

The head of the Francophonie, former Canadian governor general Michaelle Jean, thanked Prime Minister Justin Trudeau on Monday for joining the peacekeeping mission in Mali, which is reeling after yet another deadly attack by Islamic militants.