Instagram’s cofounders built a website to track state-by-state spread of COVID-19
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The website, RT.live, uses a statistic known in epidemiology as the effective reproduction number. It tracks the average number of people who catch the virus from one infected person.
“We’re trying to take what is a complex topic and boil it down to a simple number that anyone can view from their home,” former Instagram CEO Kevin Systrom told Bloomberg.
The Covid Tracking Project, where RT.live gets its data, is an all-volunteer initiative that collects data from trustworthy known sources, such as public health authorities, and reports state-by-state details about…