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The political visualization Words & Votes [sandyhookpromise.org], developed by digital agency R/GA for non-profit organization Sandy Hook Promise, provides a comprehensive look into the opinions of congressional representatives on the issue of gun violence.

More specifically, the visualization tracks each member of congress as being "neutral", on the side of "Gun Safety," or on the side of "Gun Rights". It then maps the evolution of these opinions over time on a vertical timeline.

These individual opinions have been based on two separate types of information: the analysis of the tweets sent by members of Congress and their voting record on Capitol Hill on laws and bills that relate to gun violence.

Individual members of congress can be explored in terms of being influential or vocal, or filtered by address, zip code or home town.