"The point-and-shoot camera has just been reinvented." Lytro ($399), the much-anticipated first creation of a Silicon Valley start-up, allows you to adjust the focus of a picture long after you've taken it. Lytro's secret? It captures "more, and different, information about the light hitting its lens than other cameras do." Upload the images to a computer and you can choose where they should be clear and where blurry. But Lytro can't do everything — it doesn't have a flash, or allow cropping. Source: The Wall Street Journal
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