[USA] Tampa firm taps rising demand for tracking bracelets / Miami Herald, 1 May 2007
http://www.miamiherald.com/103/story/92039.html
RICHARD MULLINS
"Crowded jails and advancements in cellular GPS technology are providing a market opportunity for tracking bracelets that detect alcohol consumption.
The judge gave Steven Williams a choice: Go to jail to await trial for reckless driving, or stay out on bail and wear a new type of ankle bracelet that can detect any signs of drinking alcohol."