Where is the pandemic spreading? And how quickly? That is the question rt.live attempts to answer, a site with daily updates and graphics on the effective reproduction number of COVID-19.
A few months ago, our very own Thomas Vladeck noticed some potential improvements to the then-model, pulled an all-nighter drafting a cold email, and the result has been an unlikely collaboration with Kevin Systrom, Instagram cofounder, who launched the site.
Interested in the model? It’s open source, and you can check it out here. Also, follow Tom on Twitter for regular updates.

Thomas Vladeck
Tom was inspired to start Gradient by the cutting-edge market research performed by his advisors at Wharton, where he received his MBA in marketing and statistics. Prior to Wharton, Tom received a master’s degree from the London School of Economics and studied math at Pomona College. In a prior life, Tom produced quantitative models for global climate policy reports.