Join them (usually) down the pub, and you may find yourself listening to opinions on Workforce Diversity, learning about everything in your museum that might kill you (arsenic, explosives, lead...), and sharing experiences from setting fire to artwork through to use of vodka in project management.
It's a grand idea - an " open mic night featuring curators, conservators, librarians, collectors, Museum Studies students, archaeologists, social historians, educators, multimedia developers, explainers, visitors, theorists and everyone else associated with museums and library special collections." Those who have signed up to speak have about 9 minutes to spout forth on whatever they fancy, as long as it'll be broadly of interest to the relevant audience.
They're now breaking out of London, and heading to Yorkshire, so keep an eye out, and grab a ticket, or add them to an upcoming London visit.