[At Meetings, It’s Mind Your BlackBerry or Mind Your Manners - NYTimes.com by Alex Williams]This 'flow' Mr. Boyd alludes to - I do not think that it requires one to be rude to the people you work with.
Yet another piece wagging it's finger at all the people remaining connected during business meetings: the war on flow.
Like this: you are in a room with a group of people where important matters are being discussed, you pay attention to them. If nothing of importance is being discussed, there should not be a meeting. If your contribution to the meeting is so minute that you don't need to pay attention, you don't need to be there.