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Internet Service Providers Try to Stop Net Neutrality in Court | Cord Cutters News
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This is a most excellent place for technology news and articles.
Its dependent on the cable quality and materials. Its not a harvest, you can expand it at anytime by replacing the cable.
The upstream bandwidth of the ISP is limited. Expanding the capacity to the curb won't improve that.
Good cables will get you good bandwidth with your neighbors — if that's something you find useful.