Privacy groups threaten legal action over Facebook, WhatsApp data sharing

While Facebook's purchase of WhatsApp in 2014 was met with concerns over individuals' privacy, the social network has done a good job since then of leaving the messaging as is and keeping it independent. That all changed last week when WhatsApp's new terms-of-service stated that user data would now be shared with Facebook. Unsurprisingly, this has caused outrage, and now …