Oops, a rock slide trapped us in Whistler: "Rock slide closes Vancouver to Whistler route" (cbc.ca)
Luckily, there's still time until Friday to clean it up. Had it happened on departure day, there'd be over 400 flights to reschedule. Good times.
Update: The story of Mozilla being trapped seems to get a little press feedback: On ZDNET, for example, and the local press wants to cover our experience as well.
Update 2: The highway is to reopen today (Saturday) night, they say.