[...] PKM is an individual, disciplined process by which we make sense of information, observations and ideas. In the past it may have been keeping a journal, writing letters or having conversations. These are still valid, but with digital media we can add context to  by categorizing, commenting or even remixing it. We can also store digital media for easy retrieval. However, PKM is of little value unless the results are shared by connecting to others and contributing to meaningful conversations. The whole is greater than the sum of the parts as we build on the knowledge of others. As knowledge workers or citizens, PKM is our part of the social learning contract. Without effective PKM at the individual level, social learning has less value. …