Twitter's IPO filing

Twitter: the IPO in pictures

Twitter publicly filed its initial public offering documentation today with the U.S. Securities and Exchange Commission. The short-form social media news company plans to sell 472,613,753 shares and raise at least $1 billion.

Dick Costolo at D11

What going public will do to Twitter

Twitter announced on Sept. 12 that it had filed a confidential S-1 in preparation for going public. The questions are: Why? Why now? And what will the IPO do to the Twitter we know and love?