The document discusses how mobile technology can be used effectively by teachers and trainers to promote student learning. It argues that a government's investment in teacher training on educational technology is more important than investing in the technology itself. It also notes that while resources and case studies can help, hands-on experience is needed. The document outlines different types of digital divides and stresses the need to address skills and access to avoid structural inequalities. It advocates for training teachers in learning design using technology and providing them with design tools so they can become action researchers.