Downside to hypertasking

Hypertaskers do things faster but not better is today's article from SlashDot. Forgetfulness, sleeplessness, irritability and stress, sounds familiar? Sure does to me. Anyway, with increasing demands and increasing inputs it seems the logical thing to do is to find a way to be able to deal with issues one at a time in a relaxed fashion. And how do you deal with that email-overload?