1) The document discusses the proliferation of different e-portfolio systems that exist across schools, colleges, and learning platforms, which limits the portability of student work between institutions. 2) It then examines definitions and metaphors used for e-portfolios, as well as potential functions like showcasing, customization, feedback, and assessment. 3) Key challenges are identified around adoption of e-portfolios, including outdated views of their purpose and a lack of support for lifelong learning beyond formal education settings.