“…Lundgaard et al [7] manually classified 2,050 tweets regarding the #BlackLivesMatter movement into five categories (raising awareness, offline activism, anti-authorities, victimization, and collaboration). Similarly, through manual content analysis, Brünker et al [16] found sharing of personal information, reference, call for action, and testimony to be the main content categories in a sample of 1,271 tweets related to the #metoo movement. In their study of 6,874 tweets posted by six traumatic brain injury patients, Brunner et al [17] handcoded the tweets into six categories: supporting others, society and culture, connecting with others, life after the illness, knowledge, and advocacy.…”