Wikis,blogs,podcasting and RSS feeds were all early examples of:

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Quizplus · Accepted Answer

Wikis, blogs, podcasting, and RSS feeds were all early examples of Web 2.0, which was a shift toward user-generated content and collaboration on the web. The Semantic Web is a more recent concept that involves adding data and metadata to web content to create a more interconnected and meaningful web. Third-party applications and e-commerce are not directly related to these tools.

Wikis,blogs,podcasting and RSS Feeds Were All Early Examples Of