In addition, intermediaries are now also generally understood to include Internet portals, software and games providers, those providing virtual information such as interactive forums and comment facilities with or without a moderation system, aggregators of various kinds, such as news aggregators, universities, libraries and archives, web search engines, chat rooms, web blogs, mailing lists, and any website which provides access to third party content through, for example, hyperlinks, a crucial element of the World Wide Web.
Is there an answer to this question (If it cannot be answered, say "unanswerable"): What is an unimportant element of the World Wide Web?
unanswerable