Velocity Alert: There Have Been 74 U.S. School Shootings Since Sandy Hook

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THIS STORY IS ABOUT TO GO VIRAL

There Have Been 74 U.S. School Shootings Since Sandy Hook The gun safety organization Everytown said Tuesday's incident was the 74th shooting in a U.S. school since the tragedy at Sandy Hook Elementary School. How does Mashable know what's going viral? Mashable built a system called Velocity, which scours the social web, collecting lots and lots of data around how people are engaging with published articles. It then pulls all of that data back to Mashable, dumps it into our own predictive engine, and predicts which articles are about to go viral. Read more at Mashable.com ▶ Mashable, Inc. is a Delaware Corporation. P.O. Box 64 New York, NY, 10159-0064

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