The app builders had planned for pranksters, ensuring that only people with verified COVID-19 cases could trigger an alert. They’d planned for heavy criticism about privacy, in many cases making the features as bare-bones as possible. But, as more states roll out smartphone contact-tracing technology, other challenges are emerging. Namely, human nature.
The problem starts with downloads. Stefano Tessaro calls it the “chicken-and-egg” issue: The system works only if a lot of people buy into it, but people will buy into it only if they know it works.
“Accuracy of the system ends up increasing trust, but it is trust that increases adoptions, which in turn increases accuracy,” Tessaro, a computer scientist at the University of Washington who was involved in creating that state’s forthcoming contact-tracing app, said in a lecture last month.
In other parts of the world, people are taking that necessary leap of faith. Ireland and Switzerland,