190514-F-GX249-1001
Senior Airman Kristan Campbell, photojournalist assigned to the 18th Wing Public Affairs office, scrolls through social media on her smartphone at Kadena Air Base, Japan, May 14, 2019. Social media gathers personal data and shows users what tech companies think users want to watch, buy, or learn. (U.S. Air Force photo by Staff Sgt. Benjamin Raughton)