Open Data Initiatives have unleashed data from the vaults of the government as fuel for entrepreneurs and innovators to create new apps, products, and services that benefit the American people in myriad ways and contribute to job growth.

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Having a marketplace such as DataSift has already encouraged other social-media services to open their data vaults, says Nick Halstead, the founder of DataSift.

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Some researchers, including Nancy Kedersha, a biologist at ImmunoGen (a biotechnology company in Cambridge, Massachusetts) who was one of the discoverers of vaults, think they regularly switch from open (ie, flowers) to closed (ie, barrels).

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