The Conference on Computer-Mediated Communication (CMC) and Social Media Corpora will take place at the Radboud University Campus in Nijmegen, the Netherlands on Thursday 28 – Friday 29 October 2021. Because of the global COVID-19 pandemic, the conference will take place in hybrid form: you can choose to attend online or in person. https://applejack.science.ru.nl/cmc2021/