EU says coronavirus tracking apps should avoid storing data on servers

BRUSSELS (Reuters) - Mobile apps to track coronavirus cases in Europe should keep as much data as possible on the user's device rather than in a central server, to best maintain individual privacy, an EU document says.European countries hope that rolling out mobile apps to track coronavirus cases will make it easier to lift the lockdown orders that have crushed European and world economies. But the EU, which has some of the strongest data protection rules in the world, is keen to ensure that..