just read in the news:
http://www.abs-cbnnews.com/storypage.aspx?StoryId=83444

the owners of the carnapped vehicle used a GPS tracker thru text...
mga sir..., pa update naman ako re this technology...i've read about gps and navigation, pero tracking thru sms? san kaya makaka avail nito? any infos mga sirs?
salamat in advance..