Google's eavesdropping technology: Going too far to sell ads?

The search giant snags a patent that might let Larry Page and Co. listen in on your future phone calls

With Google's potential new software, an algorithm could pick up the background noise of, say, a seaside phone call and target your computer ads to beach vacations.
(Image credit: Erik Isakson/Tetra Images/Corbis)

Even as Google overhauls its search engine, the tech giant is looking for ways to diversify its revenue streams. One possibility? This week, Google was awarded a patent for "advertising based on environmental conditions," suggesting that in the future, computers and handsets may deliver targeted ads tailored to fit with what you're seeing and hearing in the real world. Here's what you should know:

How would this work?

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