The education of Frances Haugen: How the Facebook whistleblower learned to use data as a weapon from years in tech

Haugen, a veteran of Silicon Valley giants including Pinterest, Google and Yelp, told her friend Leslie Fine, an entrepreneur and start-up adviser, that in her two years of working as a product manager at Facebook, she’d observed a troubling pattern of behavior that seemed unique to the company. Haugen was scared, she told Fine, and particularly worried that her revelations would destroy her career and invite blowback against her parents, friends and former co-workers.