The document discusses using various technologies like wikis, podcasting, and text messaging in the classroom. It provides examples of how wikis can be used for collaborative writing projects and sharing information. It also describes how podcasts can be used to share audio materials and have students find and present podcasts of interest. The document further discusses using text messaging and microblogging tools like Twitter as an alternative to texting on cell phones in the classroom, and provides ideas for related classroom activities and projects.