Smartphone Replacement Parts might be Spying on You

http://www.moneycontrol.com/news/technology/samsung-galaxy-s9-to-feature-larger-battery-and-smaller-pcb-2354499.html

https://www.sciencedaily.com/releases/2017/08/170815095137.htm

https://eclipse2017.nasa.gov/can-i-photograph-eclipse-my-smartphone