In this Monday, Nov. 4, 2013, photo, The Twitter app is shown on an iPhone 4s, in San Jose, Calif. Twitter is expected to price its initial public offering some time Wednesday night. The company recently raised its price range to $23-$25 per share, following strong investor demand, and is expected to start trading on the New York Stock Exchange on Thursday, Nov. 7, 2013. (AP Photo/Marcio Jose Sanchez)