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I suspect it could be seen as a proper noun.
If Acme and FooCorp create a bridge between their private network spaces, it’s an internet (common noun) but not the Internet (proper noun, referring to the one with Goatse).
Let’s find an English teacher. And yell at them for forcing us to read the same terrible novel in both 10th and 12th grades. Maybe after that, return to this subject.