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| The best articles from rootsofprogress.org, according to Hacker News. |
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| Change the ?site URL parameter to try it on any other website. Or click the domain shown after each post title. |
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| 2017 | | Why did we wait so long for the cotton gin? (rootsofprogress.org) |
| 60 points | 5 years ago with 39 comments |
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