The document discusses using mobile phones in classrooms to enhance learning. It notes that there are over 2.5 billion mobile users worldwide and mobiles are increasingly being used for activities like emailing, browsing the web, and interacting with online content from anywhere. The document suggests bringing experiences from outside the classroom into the classroom by having students document field trips on their mobile phones. It also discusses challenges around whether "digital immigrants" or older teachers can teach "digital natives" or younger students with greater digital skills, and ensuring students and teachers have the necessary information literacy and technical skills.