This document discusses mobile learning and several international mobile learning projects. It begins by outlining ways mobile technology can be both beneficial and harmful in everyday life and schools. It then summarizes several major mobile learning projects from the UK, US, Sweden, South Africa, and India that aimed to improve access to education through mobile phones. These projects used phones to support math learning, science education, and English language acquisition. The document concludes by arguing mobile learning can improve ubiquitous and personalized learning, access to information, and 21st century skills, while calling for more rigorous research on the topic.