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Many residents of the Queensbridge public housing complex feel they have not benefited much from the area's booming development. With Amazon, activists are trying to change that story.

The state's coal industry is shrinking fast; more than 10,000 workers have lost their jobs since 2008. A small firm in eastern Kentucky is turning unemployed coal workers into software developers.

Every time you "Like" a Facebook post, among other things, you help provide data to an algorithm. But algorithms, like the humans who design them, aren't foolproof — and can reflect bias.