How contact tracing can help the U.S. get control over coronavirus

"And there are many reasons to be skeptical of such a system, said Jennifer Granick, the ACLU’s surveillance and cybersecurity counsel. Tracking technology can be very inaccurate and discriminatory, she warned, and access to these devices can further exacerbate existing inequities in income and social status.

“Don’t believe that technology is going to swoop in and solve all our problems,” Granick said. “There’s hard work to be done.”"