The year 2020 marked the 25th year since Bonny Norton published her influential TESOL Quarterly article, ‘Social identity, investment, and language learning’ (Norton Peirce, 1995) and the fifth year since we, Darvin and Norton (2015), co-authored ‘Identity and a model of investment in applied linguistics’ in the Annual Review of Applied Linguistics. From the time Norton's 1995 piece was published, investment and motivation have been conceptually imbricated and often collocated, as they hold up two different lenses to investigate the same reality: why learners choose to learn an additional language (L2). In our 2015 article, we made the case that while it is important to ask the question, ‘Are students motivated to learn a language?’ it is equally productive to ask, ‘Are students invested in the language practices of the classroom or community?’ (Darvin & Norton, 2015, p. 37). We recognize that the relationship between language teachers and learners is unequal, and that teachers hold the power to shape these practices in diverse ways. Teachers bring to the classroom not only their personal histories and knowledge, but also their own worldviews and assumptions (Darvin, 2015), which may or may not align with those of learners. Relations of power between learners can also be unequal. As Norton and Toohey (2011, p. 421) note:

This article locates Norton's foundational work on identity and investment within the social turn of applied linguistics. It discusses its historical impetus and theoretical anchors, and it illustrates how these ideas have been taken up in recent scholarship. In response to the demands of the new world order, spurred by technology and characterized by mobility, it proposes a comprehensive model of investment, which occurs at the intersection of identity, ideology, and capital. The model recognizes that the spaces in which language acquisition and socialization take place have become increasingly deterritorialized and unbounded, and the systemic patterns of control more invisible. This calls for new questions, analyses, and theories of identity. The model addresses the needs of learners who navigate their way through online and offline contexts and perform identities that have become more fluid and complex. As such, it proposes a more comprehensive and critical examination of the relationship between identity, investment, and language learning. Drawing on two case studies of a female language learner in rural Uganda and a male language learner in urban Canada, the model illustrates how structure and agency, operating across time and space, can accord or refuse learners the power to speak.