Seems to me that building agency and self-efficacy in a rhizomatic learning environment is understanding what your want to learn about. What is your line of inquiry and what is your goal. I love this organization because it focuses on that very simple step of knowing how to ask a question and then figuring out how to answer it.

Process and tool for mapping the interactions in a Facebook group. Helpful to SEE the exchange of ideas and knowledge. TAGSExplorer does this for Twitter (http://hawksey.info/tagsexplorer/).