Hm... Sudden power failure is indeed a sort of annoying event, though, usually I'm ok with that. I haven't been in a situation then a power failure happened when I'm in a crowded place, but I'm generally have no tendency to fear the worst, so I think I would be more or less ok in such situation.

Actually, this reminded me that there was a scheduled complete outages a couple days ago. Thing is that it happened at midnight (I assume that this time was chosen to less the effect on local malls and other establishments), and I've never seen my district to be SO DARK. It so unusual, I sawsuch darkness only well out in the country. :)