on 15 may 2019, jacinda ardern and french president emmanuel macron co-chaired the christchurch call summit. the aim of this summit was to "bring together countries and tech companies in an attempt to bring to an end the ability to use social media to organise and promote terrorism and violent extremism". this means she is trying to tell the world's technology companies to take serious measures to actively prevent the internet's social media from promoting terrorism and violent extremism.