People in the tech community who care about their privacy need to understand that if a product is not open source it should NOT be trusted. Transparency is a necessary factor in guaranteeing privacy, otherwise we cannot see and prove if a person or company’s claim to privacy is true.

Fluoride, when swallowed, can be distributed throughout the body, which includes being in the saliva that covers the teeth. Nevertheless, fluoridated water has been shown with more than enough evidence to improve the quality of teeth in humans compared to its risks (if any) and removing it in water will reduce those benefits.