“…As also highlighted in Chapter 3, the role of teachers in making sense of these dynamic and complex systems is vital. In fact, how teachers are making sense of the teaching and learning practice, its students, and data arising from the complex interactions of students with learning resources, peers, and teachers, has become even more important in the last 5-10 years (Herodotou et al, 2017(Herodotou et al, , 2019Hidalgo, 2018;Rienties et al, 2016a;, 2019Tait, 2018). As demonstrated by a range of projects within the OU as well as outside the OU (Guri-Rosenblit, 2018;Lawless & Pellegrino, 2007), the teacher is the key success factor in making pedagogy and technology work.…”