In my understanding, the revolutionary thing Twitter did was, that they enticed users to input information, which they didn't enter into digital form before. Lot of those are just unimportant noise, but with proper filtering or searching one can extract valuable information from it.
Twitter had almost three million monthly users as of June,
People listen to music I don't like. "I still don't understand the obsession."
Not every person likes every thing. That's OK, though, because you can just not use Twitter.
I picture a new Internet meme. Instead of "Oh, I don't watch television", "Oh, I don't use Twitter" will be the new super-elite condescending remark. rolls eyes.
Furthermore, tweets by its very form excludes the responsibility of having to explain one's thought. Welcome to the Brave New World of communication: No preamble, no annecdote, no characters, no setup-climax-resolution, no redaction of logic, no point and counter point, no analysis, no data, no citations needed. There is no "reason to be" -- there just is.