Knowing?
That movie was REALLY disappointing.
I read more about it and subsequently became less panicked. http://www.universetoday.com/14645/2012-no-killer-solar-flare/Bedsides, at the very least survival would still be a decent possibility.
ITT: some yayfun enthusiast posts bullstuff doomsday conspiracy to scare people, then defends it with a stubborn passion when people point out its BS.