Visualizing 3 Billion Tweets

Eric Gundersen from Mapbox: “This is a look at 3 billion tweets – every geotagged tweet since September 2011, mapped, showing facets of Twitter’s ecosystem and userbase in incredible new detail, revealing demographic, cultural, and social patterns down to city level detail, across the entire world. We were brought in by the data team at Gnip, who have awesome APIs and raw access to the Twitter firehose, and together Tom and data artist Eric Fischer used our open source tools to visualize the data and build interfaces that let you explore the stories of space, language, and access to technology.
This is big data, and there’s a significant level of geographic overlap between tweets, so Eric wrote an open-source tool that de-duplicated 2.7 billion overlapping datapoints, leaving 280 million unique locations…”