The paper takes as its starting points the relevant role played by (i) the education of users in adding semantic metadata to the primary information published on the Web and (ii) the availability of user-friendly tools for working with semantic metadata. In both respects, weblogs may well represent the subset of the Web offering the best opportunities for the development of the Semantic Web paradigm. In order to defend this thesis, the papers (i) takes into account the history and nature of weblogs and of the main tools available to share information within the blogosphere, i.e. RSS feeds, and (ii) illustrates how weblogs and RSS feed constitute a field in which many among the ideas constituting the Semantic Web paradigm can already be applied and tested.