https://www.theregister.co.uk/2019/05/13/apple_supreme_court/

Folks can sue Apple in the US for forcing app developers to pay the iGiant a 30 per cent commission, America's Supreme Court has decided.

The tight 5-4 decision today [PDF] against Apple has huge implications for not just for the tech giant – whose share price has fallen six per cent this morning on the news – but also Google, which runs a similar system, and the technology market in general.