Harold Jarche is a leading authority on Personal Knowledge Management, which he describes as a set of processes, individually constructed, to help each of us make sense of our world, and work more effectively. He has developed a popular Seek-Sense-Share framework which identifies the 3 key elements of PKM
Challenge Based Learning...
is an engaging multidisciplinary approach to teaching and learning that encourages learners to leverage the technology they use in their daily lives to solve real-world problems. Challenge Based Learning is collaborative and hands-on, asking students to work with peers, teachers, and experts in their communities and around the world to ask good questions, develop deep subject area knowledge, identify and solve challenges, take action, and share their experience.