Twitter aims to limit people sharing articles they have not read

Test to promote informed discussion will ask users if they want to retweet unread links

Facebook moderators join criticism of Zuckerberg over Trump stance

Exclusive: pressure grows on website’s founder over refusal to take down president’s posts

The US stimulus programme looks to have been a success: one that has political as well as economic consequences

High-profile researchers urge CEO not to let president spread ‘misinformation and incendiary statements’ amid protests over racial injustice

Mark Zuckerberg has too much to lose by censoring Donald Trump

CEO acknowledges many staff believe social network ‘should have labeled’ president’s post criticized for inciting violence

Several accounts reactivated after protests with social media giant blaming ‘technical error’

Firm that said privacy no longer a ‘social norm’ rolls out tool to delete or archive

Figures show slow but steady reduction in number of people reporting Covid symptoms in May

Google also aims to be part of rise in teleconferencing during coronavirus crisis

Researchers hope the data will help identify any places where physical distancing may be an issue

CEO says decision was ‘tough’ but ‘thorough’ as company faces harsh criticism and public dissent from employees

Activists say Facebook boss’s decision to leave ‘shooting threat’ up sets dangerous precedent

Company decides not to remove the president’s post as a member of its oversight board is involved in a separate racist speech controversy