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Ryan saw the biggest swing in online sentiment post-convention of any of the other major convention speakers, according to NBC Politics in association with the social media monitoring firm Crimson Hexagon, in a report released Tuesday. Mentions of the Wisconsin congressman online dropped fromalmost 50 percent positive conversations, at the end of the Republican convention, to the mid-30s by the end of the Democratic one, with negative mentions spiking to more than 60 percent.

In comparison, President Obama, Mitt Romney and Vice President Joe BidenJoseph (Joe) Robinette BidenOvernight Tech: FCC won't delay net neutrality vote | Google pulls YouTube from Amazon devices | Biden scolds social media firms over transparency Medicaid funds shouldn't be used to subsidize state taxes on health care Biden hits social media firms over lack of transparency MORE all stayed about the same in a gauge of negative versus positive chatter throughout the two weeks of conventions, with positive vs. negative sentiment moving no more than four points on any given day.

The analysis indicates that while the GOP convention introduced Ryan as the Republican vice presidential nominee to a national audience, the Democrats successfully interfered in his debut.

Democrats’ rapid response to Ryan’s speech on the second night of the GOP convention successfully put their criticism at the forefront of the next day’s analysis, in a narrative that has continued to dominate conversation about Ryan’s convention speech.