Between Social Media and GIS:Mapping History, Revolutions, and Catastrophe

Todd Samuel PresnerProfessor, Germanic Languages and Comparative LiteratureChair, Digital Humanities ProgramFounder and Director, HyperCities (http://www.hypercities.com)University of California Los Angeles

Yoh KawanoCampus GIS Coordinator, Institute for Digital Research and EducationLecturer, Urban Planning and Public PolicyUniversity of California Los Angeles

http://inscriptions.etc.ucla.edu

http://now.hypercities.com

http://sendai.hypercities.com

Hypercities Now

2004 Before mash-ups

2011 After mash-ups

#311care#311care

#j_j_help#j_j_help

#hinan#hinan

Can save lives?

30 days that Hypercities archived tweets from Sendai

689,054 tweets

83% retweets

2.6% geotagged tweets