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APRIL 2013 4 POSITION Will Mobile GIS Soon be All GIS? F E AT U R E S By Todd Danielson 6 NEWSLINK 10 BEYOND MAPPING Learn How to Spatially Evaluate the T-test By Joseph Berry Mapping Strategy Understanding the Digital Battleground BY TED FLORENCE 14 12 A WORLD OF INFORMATION GIS Implementation Realizes Economic Benefits By Patrick Collins 30 BUILDING THE GEOWEB What Connects the ���Social Network��� of Machines? Pierce County Uses GIS and Mobile Technologies to Increase Efficiency BY MATT GEORGE, MICHAEL ISUN AND ANNE RADFORD 18 By Ron Lake Time-sensitive GeoWorld departments such as NetLink, PeopleLink, Product News and Business News now are maintained solely at the GeoPlace.com Web site. Check there often for the latest updates as they happen. Maps for Bats A Modeling Tool Predicts Wind-Farm Bird and Bat Collisions BY GREG FORCEY 22 The digital version of this issue contains additional coverage of this section. Visit GeoPlace.com for more information. GeoWorld (ISSN 0897-5507, USPS 023-416) is published monthly by M2MEDIA360, a Bev-Al Communications, Inc. company. 1030 W. Higgins Road, Suite 230, Park Ridge, IL 60068 USA GeoWorld is distributed free to quali���ed subscribers in the geospatial industry. POSTMASTER Please send change of address to: GeoWorld, PO Box 4290, Port Jervis, NY 12771 GPS Data Collection What���s ���Good Enough���? BY HOWARD HODDER Subscription rates - one year: US $72, two years: US $128; one year Canada: $90, two years Canada: $163. All other countries, one year: $108 (includes airmail postage). Payable in U.S. funds only. Customer Service and subscription requests, please call Phone (845) 8562229; Fax (845) 856-5822 or subscribe online at www.geoplace. com/subscribe. Periodical postage paid at Park Ridge, IL and additional mailing of���ces. Mobility Special Issue A P R I L 2 O 1 3 / 26 W W W . G E O P L A C E . C O M 3