This is a good article about concise writing and how Twitter encourages it. While I won’t go quite that far (most Twitter writers equate concision with abbreviation or substituting numbers 4 words), it’s a fascinating concept.
Writing briefly and concisely has been mankind’s challenge since writing’s invention. One of my favorite quotes is: “The letter I have written today is longer than usual because I lacked the time to make it shorter.” Blaise Pascal.
Social media writing, whether character-limited like Twitter or free-form like a blog, is often extravagently wordy (like this blurb?).
See on www.poynter.org