But I don't want to shut off my e-reader

Salon's "Ask the Pilot" column has a nicely nuanced take on why airlines have you shut off and stow electronic devices during takeoff and landing. In a way, this reminds me of the way doctors tell pregnant women to not drink any alcohol at all, when what they really mean is, "It's not totally clear where the line is between a safe amount and a not safe amount." Maggie