The document discusses how students and teachers are using Web 2.0 tools like blogs, social networks, photo sharing sites, and wikis. It notes that while these tools can support constructivism and knowledge creation, schools often initially use them as Web 1.0 tools just for disseminating information. The document also cautions that there are risks to consider when using free third-party tools and storing data externally, such as security, bandwidth requirements, and loss of access if the service ends.