Storylines are how characters create the plots involved in their stories.
I'm not a good collaborator in general.
Common folk didn't have last names in the 8th and 9th centuries.
When you're a mid-list writer, it pays to write fast.
I outline fairly extensively because I'm usually dealing with real events. I don't need to give myself as much information as I used to, but I still like to have two pages of outline for every projected 100 pages of manuscript.
Providing a writer isn't put off by conventions - and some are - attending them can be a nice break from the necessary isolation of writing.