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How Does Facebook Generate Ad Revenue?

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How does a free website like Facebook get valued at close to $100 billion? Melissa Block talks with Wired magazine senior writer Steven Levy about how Facebook uses your personal information to generate targeted advertisements and huge revenues.
NPR

These Old-Timey Philly Candies Offer A Taste Of Politics Past

Clear toy candies are a centuries-old local tradition. With the Democratic convention in town, an old-school candy maker is peddling some with a political bent. Think lollipop meets Mount Rushmore.
NPR

These Old-Timey Philly Candies Offer A Taste Of Politics Past

Clear toy candies are a centuries-old local tradition. With the Democratic convention in town, an old-school candy maker is peddling some with a political bent. Think lollipop meets Mount Rushmore.
NPR

These Old-Timey Philly Candies Offer A Taste Of Politics Past

Clear toy candies are a centuries-old local tradition. With the Democratic convention in town, an old-school candy maker is peddling some with a political bent. Think lollipop meets Mount Rushmore.
NPR

Writing Data Onto Single Atoms, Scientists Store The Longest Text Yet

With atomic memory technology, little patterns of atoms can be arranged to represent English characters, fitting the content of more than a billion books onto the surface of a stamp.

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