The fourth topic looks at changes in company labour relations and new forms of representation that may reflect changed corporate strategies or employee attitudes (Hertwig 2011). Other topics include “Union Busting” or conflicts over co-determination (Thünken et al. 2021; Hertwig et al. 2021) and approaches to advocacy and collective action in the digital economy (for example YouTube: Hertwig/Witzak 2021, or for Amazon Mechanical Turk: Hertwig et al. 2020).