Cell phones and the BlackBerry appear to be the scourge of the modern workplace. A group of 103 Canadian business leaders were polled by COMPAS Inc. about the greatest challenges in the workplace, and the ability of communications devices to disrupt meetings (and likely annoy those in attendance) came out on top.
See the results of the COMPAS poll at:
http://www.bizactions.com/index.cfm/ba/e105/fa/86958287G627J357168P0P10081557T0/