What is a twitter conference?

Short, I guess. Really brief papers.  Spare a thought for all those conference-goers who always write a 50-minute paper for their 20 minute slot!

Actually, I haven't a clue.  But Active History is organizing one for August 24-25.  "Beyond 150: Telling Our Stories."  They promise "to diversify the historical narrative and uplift marginalized historical perspectives."  Deets are here.