Open Source Software: Who Gives And Who Takes
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| This spirit of volunteerism is alive and well in the world of open source
| software. Thousands of people donate their time and expertise to the
| benefit of all. But not everyone is giving as much as they're getting.
| Large companies, those with the greatest wherewithal to help, are
| surprisingly minor players in the roll-up-your-sleeves work of open
| source development.