I joined the "World of Speed 2014" FB page. Firming up the start date will be extremely important from my point of view.
I can manage additions to the end of WOS pretty easily on the fly, but if the start date is moved to an earlier date, I'll need to make bigger modifications to the overall plan (vacation for myself and crew), departure date and time, etc.
I'm 100% in favor of using FB to post updates, as long as I'm confident that I'm looking at "Official" USFRA information being posted there.
Thanks,
Steve.