Web 2.0 tools allow users to create, collaborate on, and share content online easily without downloads. Some useful classroom tools include Glogster for creating interactive posters; Popplet for visual organization; Kidblog for student blogging and conversations; wikis like Wikispaces for collaborative writing; Slideshare for sharing presentations; and Flickr for photo storage and sharing. These tools engage students and help teachers incorporate new technologies into lessons.