Twitter Makes IPO Plans Official: Files Confidential S-1, but Expected Value is About $14B

By: Jeff John Roberts and Om Malik | GigaOM

Twitter’s note that this is a confidential filing means the company’s annual revenue is less than $1 billion. Usually when companies announce plans to go public, they have to file an S-1, the securities filing that companies use to provide details about their planned initial public offerings. Under the JOBS act of 2012, however, companies with less than $1 billion in revenue can file confidentially.