WhatsApp is battling mistrust globally after it updated its privacy policy to let it share some user data with parent Facebook and other group firms, and the backlash risks thwarting its ambitions in its biggest market, India.
Though WhatsApp has yet to see mass uninstalls of its app in India, users concerned about privacy are increasingly downloading rival apps such as Signal and Telegram, research firms say, propelling them higher on the download charts and putting those apps ahead of their ubiquitous rival in India for the first time.
The reaction in India - where 400 million users exchange more messages on