The document discusses TPACK (Technological Pedagogical Content Knowledge), which is a framework for understanding the knowledge teachers need for effective technology-enhanced teaching. It begins by defining TPACK and discussing where the concept began. It then explains that the author has learned technology enhances but does not replace traditional pedagogy, helps students by being carefully chosen, and requires technological, pedagogical and content knowledge to work together to support learning. The author reflects on having overcome intimidation about technology integration and understanding how to use it for enhancement and differentiation, as well as the need to continually build knowledge in these interconnected areas to benefit students.