Web 2.0 has been, during the last years, one of the most fashionable words for a whole range of evolutions regarding the Internet. Although it was identified by the current analysts as the key technology for the next decade, the actors from the educational field do not really know what Web 2.0 means. They have different descriptions/definitions for blog, wiki, podcast, RSS, etc. This paper explores some of the current uses of Web 2.0 tools in education and discusses some of their advantages and disadvantages. The paper concludes with an invitation addressed to the educational actors to use these tools in teaching and learning. The photos are from Flickr (last slide shows the links)