- The document discusses personal learning environments (PLEs) that utilize social media, known as PLE 2.0, and the challenges of implementing and evaluating them.
- PLE 2.0 allow for informal, social, and self-directed learning by enabling learners to aggregate various learning resources, services, and connections using social media.
- Key issues discussed include search, recommendation, and trust systems to help learners find relevant content, activities, and connections within their personalized PLEs. Evaluation of PLE 2.0 is also challenging given their personalized and uncontrolled nature.