Categories Articles Contact Tracing Apps Were Big Tech’s Best Idea for Fighting COVID-19. Why Haven’t They Helped? Post author By crystalg Post date November 10, 2020 TIME Tags Apps, Best, contact, COVID19, Fighting, Haven't, Helped, Idea, Tech's, They, Tracing, Were ← Study: Circumcision Benefits ‘Akin To Vaccination’ For Boys → Mark Cuban on America’s future