AT&T ShopAlerts: first location-based ads from a US carrier kick off in four marketsBy C. Ziegler, 02.28.2011
Garmin navigation to be an Android exclusive for ASUS, headed to Apple and RIM app storesBy T. Ricker, 10.27.2010
Nokia jumps on location-based mobile social networking bandwagon with Nokia ChatBy C. Ziegler, 07.14.2008