This week marks a year since Russia began its devastating invasion of Ukraine, and throughout that time, technology has shaped the conflict, from satellites beaming internet service from space to the mobile phones in people’s pockets. Marketplace’s Meghan McCarty Carino recently spoke to Roman Osadchuk, a research associate at the Atlantic Council’s Digital Forensic Research Lab, who is also based in Ukraine, about how mobile apps have become an essential lifeline there as citizens navigate the daily realities of war.