A security flaw has allowed thousands of Facebook accounts -- both real and fake -- to generate millions of fake 'likes' and comments by entering into "collusion networks", claims new research.
Facebook appears to be running a trial that features its subsidiary WhatsApp a lot more prominently in the main app.
Users are reporting seeing a dedicated WhatsApp button in the main Facebook app on Android. When clicked, the button acts like a shortcut, opening WhatsApp without the need to leave the Facebook app.