This document discusses the importance of professional development for teachers. It provides examples of ways teachers can engage in professional development activities such as collaborating with other teachers through videoconferencing projects, attending workshops, and sharing the results of educational research. The document also lists some competencies teachers should develop through self-reflection, getting advice from others, and applying the results of analyzing their teaching practice. It recommends journals, teacher associations, conferences, and personal learning networks as resources for professional development and provides specific journal, association, conference, and blog examples. The document encourages teachers to start small with their professional development by reading, writing, and getting feedback.