TechnologyJust four tweets can reveal the identity of an anonymous troll Remaining anonymous online is an increasingly difficult task. Just four geotagged posts is enough to identify trolls from a phone company’s database News
TechnologyZuckerberg vs US Congress – here's how he can address data fears When Mark Zuckerberg faces US politicians this week, he should admit his network is a global behavioural experiment that needs oversight to match, says Mark Harris Comment