After reading Jon Mertz Lead Change Group published in the article "Step Away From Your Devices During Meetings", I first decided that Jon is a large Group of for the various kinds of electronic equipment and the interference by interrupt train of thought of victims.
The reality is, we hate not the efficiency of the meeting. And this not the efficiency of the meeting as IT seems to be the development of technology, Internet and show the extension of intensified trend. Yesterday, we in the meeting was a ringing interrupt, today may be someone see the micro bo riff didn't hold laughter.