Starting today, some U.S. Facebook users will see a new pop-up on the app asking them to complete a survey about COVID-19. The survey, from Carnegie Mellon University’s Delphi epidemiological research center, is one of many new symptom mapping projects that seek to anticipate where the next wave of the virus will hit as COVID-19 … Continue reading Facebook starts prompting US users to fill out a COVID-19 survey to help track the virus