Twitter vows to wage war on internet trolls

Bruce Daisley, the head of Twitter in Europe, said the site would give its 320 millions users new tools to protect them from trolls and expose the worst offenders by encouraging people to share lists of blocked users. Twitter, which celebrates its tenth birthday next year, is worth more than £22 billion but is lagging behind Facebook, which has more than one billion users and a valuation of £167 billion. More...