From TechRepublic:
The typical office worker is interrupted every three minutes by a phone call, e-mail, instant message or other distraction. The problem is that it takes about eight uninterrupted minutes for our brains to get into a really creative state.
The result, says Carl Honore, journalist and author of “In Praise of Slowness,” is a situation where the digital communications that were supposed to make working lives run more smoothly are actually preventing people from getting critical tasks accomplished.