How much do workers at tech firms make? The answer varies a lot, depending on the employer. The median employee at Amazon made $28,446 last year, according to new disclosures required by the Securities and Exchange Commission. At Facebook, the median employee made $240,430, more than eight times as much. There are reasons for the big disparity, of course: Facebook’s 25,000 employees include many software engineers, which it must recruit in the expensive and competitive San Francisco Bay Area.

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