This is maybe somewhat off-topic but given some people sound like they're either current or former academics, I thought this might be of interest to somebody
The weird and wonderful world of academic Twitter
Glen Wright, from Academia Obscura, peeks inside a Pandora’s box of scholarly microblogging
September 2 2015
https://www.timeshighereducation.co.uk/blog/weird-and-wonderful-world-academic-twitter