This document discusses using Web 2.0 tools in the classroom to encourage interaction, collaboration, and creativity among students. It provides examples of blogs, wikis, and other platforms that can be used for vocabulary learning, reflection, project sharing, and forming online communities. Key Web 2.0 tools mentioned include Quizlet for flashcards, Ning for creating custom social networks, Voicethread for multimedia slideshows, and Dipity for online timelines. The document encourages teachers to invest in the future by exploring and using these Web 2.0 technologies with students.