Good write-up on how the security team at Facebook seems intentionally to be misleading customers into trusting a differently branded “private network” control that actually did the opposite… “because we’re part of Facebook”:

Onavo collects your mobile data traffic. This helps us improve and operate the Onavo service by analyzing your use of websites, apps and data. Because we’re part of Facebook, we also use this info to improve Facebook products and services, gain insights into the products and services people value, and build better experiences.