Amber Rudd's 'showdown' talks with tech firms on extremism are pure PR

Meetings between UK government and Facebook et al are more ritual than battle as they avoid subjects both parties disagree on, such as tax and user privacy

As the government and technology companies butt heads yet again over extremist material on social media, both sides may be giving a silent prayer of thanks that the battleground is one on which they are both quite comfortable.

Related: Top tech firms avoid encryption issue in government talks