Uploaded on 2020-04-30 by Monika Pawlak

The photo was taken right next to where I live in the middle of March 2020, when the Corona crisis was starting. As I was heading to my university, a group of people wearing masks gathered at the exit. They were waiting in line to get tested for Covid-19 at the hospital. I saw my bus driving past and I realized that I was going to be late that day. However, the pictures has more information than the eye sees. One could start extracting information about the people. How did they arrive at the site? Which modes of transport did they take? If somebody in the group was tests positive, how many people did they have contact with on their way? Such information could be extracted from their smart phones, and would allow to identify potential patients for future testing. Making the invisible visible could also allow to avoid gathering in a crowd, especially in such extreme circumstances as those that we are facing right now. Gathering real-time information about the situation at the testing site, could allow to distribute the patients throughout the day, without exposing them to unnecessary contact to potentially infected. As the number of