The debate over Facebook’s political ads ignores 90% of its global users

What do Zuckerberg’s bromides about American values mean to Facebook users in Kashmir or the Philippines?

Undercover reporter reveals life in a Polish troll farm

Katarzyna Pruszkiewicz spent six months running fake social media accounts at self-described ‘ePR firm’ in Wrocław

Instagram requires ads by LGBTQ-focused health center to go through verification process

Jack Dorsey has cut off a tiny revenue stream while focusing attention on rival’s inaction

Facebook faces the task of using its algorithms to fight fake news – but does it know the real problem it’s fighting against?

Company reports revenues increased 29% year-over-year to $17.7bn and profits grew 19% to $6.1bn

Fake networks in eight nations are connected to man allegedly behind disinformation empire

Adriel Hampton registered as candidate for California governor in attempt to avoid checks

Company withdraws appeal against £500,000 penalty imposed by UK data watchdog

Adriel Hampton plans to run false commercials in protest at policy of letting politicians lie

Commissioner says ‘still some way to go’ in battle against disinformation on social media

A letter to Mark Zuckerberg says the exemption is “a threat to what FB stands for” and called for the same standards as other adverts

Many third-party contractors learned of new policy from Mark Zuckerberg’s testimony to Congress

The social media giant’s election policy is to ignore its own power and hope for the best, says Alex Hern, Guardian technology editor