"HELP!!! I'VE LOST MY FOCUS!" 

That's the title of an article in the January Time Magazine with the subtitle: "E-mail and cell phones help us multitask, but they also drive us to distraction." The authors begin: "Spend a few hours with Hollywood producer Jennifer Klein and you might want to pop a valium. Or slip her one. From the moment she rises at 7:00 a.m., she's a fidgety, demanding, chattering whirling dervish of a task juggler. Motto: never do just two things at once if you can possibly do four or five." 

Then they say: 

Klein's action- and anxiety-packed work style may be extreme, but she's really only a couple of juggling pins ahead of most of us. By now, every modern office worker knows that the gadgets designed to lighten our loads also ensnare us; the dingling digital devices…