Geostreams
summary
Twitter adds geo-tagged tweets and basic place tagging (neighborhoods) plus local trends, builds infrastructure to merge massive disparate datasets, and opens APIs for developers. Real-world results: a one-word “arrested” tweet mobilizes an embassy response, a 7.8 quake appears on Twitter before USGS, Atlanta users self-organize gas locations via hashtag, a Moldova organizer pulls 15,000 people, and hundreds of Dolores Park tweets reconstruct a Dolores Park polygon. Privacy controls and event/context tagging are core priorities.
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