What is informal learning?
Research definition of informal learning: Informal learning is defined as “learning from experience that takes place outside formally structured, institutionally sponsored, class-room based activities” (Macià & García, 2016).
In 2016 a review of informal learning found that online networks and communities are a good method of professional development.
Macià, M., & García, I. (2016). Informal online communities and networks as a source of teacher professional development: A review. Teaching and Teacher Education, 55, 291-307.