Privacy concerns with Google and Apple’s disease-surveillance tech:

Google and Apple have teamed up to track Covid-19’s spread through new software for “contact tracing,” a disease-surveillance strategy usually done via human interviews. The new Bluetooth-enabled tech uses smartphones to determine whether a person has recently been near someone else who’s tested positive for the disease. Privacy is an enormous concern: Though the system won’t track a person’s geographic location or identity, and the companies insist it will be an entirely opt-in service, private entities — like workplaces, schools, and…