In that piece, NPR interviewed John Connolly, chief operating officer at Kinetic North America, on how he helps big companies like movie studio Warner Brothers and candy maker Mars find the best spots on which to place outdoor advertisements.

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And it has invested to make YouTube a place to serve video advertisements.

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If a company hears that false rumours are spreading about a product, it would not hesitate to take out advertisements or place new wording on the labelling to address those fears: it is just common sense.

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Google's ability to place small, targeted text advertisements next to internet-search results, and on other websites, meant that many of the business models thought to have been killed by the dotcom bust now rose from the grave.

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Other Internet sites already compete with the advertisements that Indian families place in the newspapers, requesting fair-skinned, slender, domesticated, convent-educated Brahmin girls in their early 20s for their 30-something, tall engineer sons with a five-figure salary.

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