As I was at a check-in kiosk over the holidays, I noticed several signs for showering facilities right at SFO. Granted, it's my hometown, so I'd have no reason to use it even if my flight was delayed, but I wondered if all the people camping out past security knew about this offering.

With standard ($11 for 20 minutes plus soap and towel) and deluxe ($15 for 30 minutes with full sets of toiletries and towel) showers, this didn't seem like a bad idea if someone wasn't down to spring for a hotel room for the night. Have you ever showered or used spa/hair salon facilities while waiting for takeoff?