link (see last section, labeled "UP IN SMOKE")

I'm certainly glad this applies only to the British!According to researchers at the University of London Institute of Psychiatry, there's a serious "info-mania" problem among British workers that's affecting their mental capacity. Obsessively checking E-mail and text messages during meetings, in the evenings, and on weekends results in mental fatigue that affects IQ scores by as much as 10 points.