This book describes an important aspect of mathematics education in our ever-changing increasingly digitised world. The researcher situated herself in an unfamiliar context and lived as an ethnographer in very different classroom context to promote the uses of the Internet for teacher professional development and for teaching and learning mathematics. "This research has allowed her unfolded the realistic snapshot of life from an insider perspective" (Professor Tom Lowrie). "The author explains the processes and outcomes (including frustrations) of her work with the teacher over a...