I'm not a fan of posting links to recent news articles, but I couldn't resist in this case. I very much liked this recent interview by Adam Bryant of Richard Anderson, CEO of Delta Air Lines, for "Corner Office" in The New York Times on 25 April 2009.
On the second page of the link, Anderson has some specific points about communications which I think is not only timeless - but timely, given that customers, shareholders and employees need more - and more compelling - communications in challenging times.
Of course, I didn't mind either the barbs about PowerPoint and Blackberry. Here too he subtly underscores the key point that modern technology won't make you a better communicator if you don't know how to communicate effectively in the first place.