How Infectious Was #Deflategate?
Eric Eager, Megan Eberle, James Peirce

TL;DR
This paper models the spread of the Deflategate scandal on social media as an infectious disease, estimating its high transmissibility and comparing it to real infectious diseases and other news stories.
Contribution
It introduces a simple epidemic model for social media news spread and estimates its parameters using Twitter data, revealing its unusually high infectiousness.
Findings
Deflategate's infectiousness rivals that of major infectious diseases.
The basic reproduction number for Deflategate is exceptionally high.
Twitter users continued discussing the story longer than typical news stories.
Abstract
On Monday January 19, 2015 a story broke that the National Football League (NFL) had started an investigation into whether the New England Patriots deliberately deflated the footballs they used during their championship win over the Indianapolis Colts. Like an infectious disease, discussion regarding Deflategate grew rapidly on social media sites in the hours and days after the release of the story. However, after the Super Bowl was over, the scandal slowly began to dissipate and lost much of the attention it had originally had, as interest in the NFL wained at the completion of its season. We construct a simple epidemic model for the infectiousness of the Deflategate news story. We then use data from the social media site Twitter to estimate the parameters of this model using standard techniques from the study of inverse problems. We find that the infectiousness (as measured by the…
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Taxonomy
TopicsMedia Influence and Politics · Plant Virus Research Studies · Evolution and Genetic Dynamics
