Twitter sent out a tweet on Thursday all about its own future; the company announced that it had filed a confidential S-1 with the SEC seeking the green light to go ahead with an IPO. The seven-year old company has more than 200 million users that send out "tweets" or SMS messages using Twitter's own network...Source: http://www.phonearena.com/news/Twitter-is-going-public-new-UI-coming_id47400
