Tweeting in 140 characters would seem to give one little information, aside from interesting ways of shortening and truncating the English language. However, if you dig just a little deeper than the blurb of text, one can find a whole lot more information that companies—surprise—find valuable.
This graphic, originally by Raffi Krikorian at Twitter, is via the Economist as part of the Daily Chart blog. Certainly the topic is interesting and the diagram useful, but it could probably a bit more structure and clarity in terms of arranging the information. But, if one takes the time to read through it, the breakdown of a single Tweet is quite fascinating.