The article presents Personal Knowledge Management (PKM) as an overdue individualized as well as a collaborative approach for knowledge workers. Designing a PKM-supporting system, however, resembles a so-called "wicked" problem (ill-defined; incomplete, contradictory, changing requirements, complex interdependencies) where the information needed to understand the challenges depends on upon one's idea for solving them. Accordingly, three main areas are attended to.Firstly, in dealing with a range of growing complexities, the notion of Popper's Worlds is applied as three distinct spheres of reality and further expanded into six digital ecosystems (technologies, extelligence, society, knowledge worker, institutions, and ideosphere) that not only form the basis for the PKM System Concept named 'Knowcations' but also form a closely related Personal Knowledge Management for Development (PKM4D) framework detailed in a separate dedicated paper. Reflecting back on a United Nations scenario of knowledge mass production (KMP) over time, the complexities closely related to the digital ecosystems and the inherent risks of today's accelerating attention-consuming over-abundance of redundant information are scrutinized, concluding in a chain of meta-arguments favoring the idea of the PKM concept and system put forward.Secondly, in light of the digital ecosystems and complexities introduced, the findings of a prior article are further refined in order to assess the PKM concept and system as a potential GeneralPurpose-Technology.Thirdly, the development process and resulting prototype are verified against accepted general design science research (DSR) guidelines. DSR aims at creating innovative IT artifacts (that extend human and social capabilities and meet desired outcomes) and at validating design processes (as evidence of their relevance, utility, rigor, resonance, and publishability). Together with the incorporated references to around thirty prior publications covering technical and methodological details, a kind of 'Long Discussion Case' emerges aiming to potentially assist IT researchers and entrepreneurs engaged in similar projects.
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PKM as an Individualized Tool for Knowledge WorkersInitially confined to the author's own Knowledge Management (KM) requirements, an idea formed for a personalized KM system which has been subsequently adapted and continuously expanded for the personal career support as a management consultant, scholar, professor, and academic manager. The experiences gained with the many stakeholders in the professional and academic world, as well as in the context of developed and developing countries, have reinforced the conviction that Personal Knowledge Management support is becoming ever more vital, a view shared by many other writers as discussed in prior papers (Schmitt, 2013f, 2014c and as highlighted by some of the most prominent of these contributions:• Seven decades ago, Vannevar Bush (1945) imagined the 'Memex'. As an inspiring idea never realized -lately celebrating its 70 th ...