2.5 billion people use at least one of Facebook's apps: CEO
Facebook CEO Mark Zuckerberg has revealed that 2.5 billion people use at least one of the company's apps, Facebook, Instagram, WhatsApp or Messenger, each month. He said the count includes "individual people rather than active accounts". Further, talking about the recent quarterly report, Zuckerberg added, "We're investing so much in security that it will significantly impact our profitability."