Till now, WhatsApp has remained mostly free of the advertorial trappings of its parent company Facebook. All of that is set to come to an end, though, as a WhatsApp executive has confirmed that the messaging app will soon start displaying ads. How the data needed for such targeted ads will be collected remains a mystery.
https://www.notebookcheck.net/WhatsApp-VP-confirms-that-the-messenger-will-soon-start-displaying-ads-in-app.354656.0.html