Adaptive learning is a hot topic in the education sector. It supports the tailoring of the learning experience to the skills and needs of individual students. Technologies leveraging the digital pen can simplify the transition for teachers and learners. To enable this, computers need to be able to differentiate between types of ink input, including handwritten notes, math formulas, diagrams, or a combination of these. This session explores Wacom's semantic ink technology and how deep learning will empower it to understand all kinds of handwritten content.