Unless it appears at the start of a sentence, you should only capitalize “Internetcapitalize “InternetIn its generic sense, "internet" is a common noun, a synonym for internetwork; therefore, it has a plural form (first appearing in the RFC series RFC 870, RFC 871 and RFC 872) and is not capitalized.https://en.wikipedia.org › wiki › Capitalization_of_InternetCapitalization of Internet - Wikipedia” when it is a noun. More specifically, you can capitalize it when referring to the Internet (i.e., the thing that hosts the World Wide Web). Thus, “Internet” is a proper name, a word that names a unique thing.Apr 23, 2019