I Was Quarantined at Home in Hong Kong and Wore a Tracking Wristband

The tech Hong Kong uses to track its self-isolating citizens during Coronavirus

An airline passenger wears a tracking bracelet after leaving a temporary coronavirus testing center at the AsiaWorld-Expo for arriving passengers in Hong Kong on April 18, 2020. Photo: ISAAC LAWRENCE/Getty Images

On March 30, 2020, I arrived home to Hong Kong after the city imposed a mandatory 14-day self-isolation period for all travelers under Cap. 599 (the Compulsory Quarantine of Persons Arriving at Hong Kong from Foreign…