1. Starting with the answer, not the question - The document lists 12 mistakes made when implementing 1-to-1 technology programs. The first mistake is focusing on the solution rather than understanding the problem. 2. Failure to fully embed a mobile learning culture with staff - Another mistake is not getting buy-in from teachers, who are asked to take risks with their time and students' learning without being adequately supported. 3. Apps & content over ecosystem & workflow - One mistake is prioritizing specific apps and content over building a cohesive digital learning environment and workflows that utilize technology.