Upon its creation, Twitter became a fascination for some and the butt of jokes for many. The social networking site allows users to “micro-blog,” describing their current mood or thoughts in 140 characters or less — a constraint that, in a swirl of other similar sites, made it seem like a waste of time. Politicians eager to catch onto the latest trend were mocked for “tweeting” during Congressional hearings, and sites such as “Tweeting Too Hard,” a site about narcissism in the Twitter-verse, cropped up quickly. So what brought a corps of dedicated Twitter users to the conclusion that they could [...]