It may only be 140 characters but, sometimes, composing a compelling, attention-grabbing Tweet is more difficult because of its brevity.
Good tweets have several things in common. They use far fewer than 120 characters to increase re-tweetability; that allows re-tweeters to add a comment. They also make use of hashtags; they hook the reader with questions; and they use action words. Jeff Bullas (@jeffbullas), details eight ways to “Tell 140 Character Stories on Twitter” in this blog post.