GEOG 1HA3 Lecture Notes - Lecture 14: Social Presence Theory, Volunteered Geographic Information, Monthly Active Users
20 Dec 2017
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Document Summary
Geographic information science (gis): social & cultural geographic applications. Problems too complex to be solved by a single thing, needs a combination of things. Gis is a platform for managing, analyzing and applying geographic information. A framework and process transforming how we think and act, creating a more sustainable future. Today it is a multibillion dollar business used in many sectors of our economy. Current estimated value of the geospatial industry is billion usd and growing at ~30% per year. There is not a mainstream industry not using gis and its related technologies. Currently, twitter has 330 million monthly active users. Currently 500 million tweets sent around the world daily (82% use their phone to tweet) Can be a source of geographic data during crises and emergencies (e. g. haiti earthquake, philippines flooding) Can be a cost-effective source of geographic data. Can be used as a source of geographic data because it is timely.
