Analysis of the second Republican National Debate from NetBase was recently featured in Fortune. An excerpt from the article is included below. Read the full article here. View the full NetBase analysis here.

SIMI VALLEY, CA-SEPTEMBER. 16: Republican presidential candidates (R-L) Carly Fiorina, Wisconsin Gov. Scott Walker and Jeb Bush during the Republican presidential debates at the Reagan Library in Simi Valley on September 16, 2015. Fifteen Republican presidential candidates are participating in the second of presidential debates(Photo by Sandy Huffaker/Getty Images)

SIMI VALLEY, CA-SEPTEMBER. 16: Republican presidential candidates (R-L) Carly Fiorina, Wisconsin Gov. Scott Walker and Jeb Bush during the Republican presidential debates at the Reagan Library in Simi Valley on September 16, 2015. Fifteen Republican presidential candidates are participating in the second of presidential debates(Photo by Sandy Huffaker/Getty Images)

Social media users have cast their vote.

The nearly three hours that Republican presidential hopeful spent sparring on stage Wednesday night during CNN’s debate took a lot out of the candidates, and—it seems—social media users.

According to Netbase, a social media analytics company, social media mentions of the contest peaked in the first hour of the broadcast with 775,000 references to the debate or the candidates. In the final hour mentions had fallen 20% from that high to 630,000.

But before social media users petered out for the night, they did select an obvious winner. Based on which candidate saw the biggest upswing in social media sentiment Wednesday night, Florida Senator Marco Rubio came out on top. When Netbase compared sentiment in the 24 hours leading up to the debate with the average sentiment over the course of the broadcast, Rubio gained 28 points—the most of the 11 Republicans who appeared on stage. Carly Fiorina, the former Lucent executive and Hewlett-Packard HPQ CEO, who exchanged fiery verbal spars with frontrunner Donald Trump, came in second as her sentiment improved 17 points. Texas Senator Ted Cruz was the last place finisher on that front, with his sentiment dropping 25 points.

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