GIS

Geographic Information Systems, otherwise known as GIS, is a method of analyzing the earth and using the information for people to apply to their everyday lives.

More to come....

References

http://gis.iit.edu/labinfo/why.htm

http://gislounge.com/library/introgis.shtml

http://www.gis.com/whatisgis/whatisgis.html

http://www.olemiss.edu/depts/geology/courses/ge470/gistop_2.htm

http://www.science.uwaterloo.ca/research_groups/african_lakes/GISproject.html

http://www.seminolecountyfl.gov/it/programming/gis/why_gis.asp