To do that, the system essentially bombards the space with an array of wireless signals and keeps watch on any changes in signal strength, building up a "picture" of the room in the process.
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Start your journey in Suchitoto, a picturesque hill town located just 47km north of capital San Salvador, where cobbled streets zigzag back and forth, dipping down in the direction of majestic Lake Suchitoto, over which the town keeps watch.
Jennifer Lynch, a lawyer at the Electronic Frontier Foundation, a group based in San Francisco that keeps a watch on how digital technology encroaches on civil freedoms, also questions the quality of the data.
The watch keeps itself on time by resetting for daylight savings time and time-zone changes.
They translate time to money, I have had specialists who keeps looking at the watch, when you start asking questions.
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This year, it adds Sporting World Time , a blue-dial watch that keeps track of time in 24 time zones, to the brand's Sporting collection.
And for those who follow the global markets, Girard-Perregaux's watch provides a financial function that keeps track of opening and closing times on the stock exchange in New York, London, Hong Kong and Tokyo.
As exciting and breathless as it is to watch little Sam Gordon run, I hope her family keeps the right perspective about this over time.
Dyle mobile TV keeps consumers informed and entertained while on the go and allows them to watch local and national sports, news and entertainment broadcast programming on their mobile phones.
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And though 30 Rock keeps racking up well-deserved Emmys as best comedy, most people still refuse to watch it.
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