About 15 percent of Tweets can accurately be connected to state-level location data or better. Most of that data is parsed from users’ public profiles. Such volume means Twitter could be used as an early-warning system to monitor spread of diseases.
About 15 percent of Tweets can accurately be connected to state-level location data or better. Most of that data is parsed from users’ public profiles. Such volume means Twitter could be used as an early-warning system to monitor spread of diseases.