Grumpy Old Geeks Topics COVID-19 exposure notifications Topic COVID-19 exposure notifications 2 mentions in 1 episode The hosts discuss states ending exposure notification systems developed with Google and Apple. Mentions 602: Urban Doom Loop May 20, 2023 0:33 most states have now halted the use of Google and Apple's COVID-19 exposure notification system 1:24 Washington state's app may have prevented 5,500 cases in its first four months.