A Twitter tweet announcing the company's planned initial public offering (IPO) is pictured on a mobile telephone back-dropped by various twitter logos on October 4, 2013. A new book out details the sometimes-sordid history of how the social networking company got its start.  - 

In less than 24 hours, Twitter will go from the privately held microblogging service-that-could to a publicly traded social media juggernaut. At least, that's what the company's executives are hoping. As Wall Street waits to see if investors will line up for Twitter's initial public offering, the rest of the tech world is watching with anticipation. Many see Twitter's IPO as an important moment for their industry.

Twitter is going public tomorrow, and the microblogging company increased its target range for the new stock to between $23 and $25. Is that a deal or a steal?

Bill de Blasio will be the 109th mayor of the city of New York, becoming the first Democrat to lead the nation's largest metropolis in nearly a quarter century. "A tale of two cities" was the theme of the campaign that carried him to victory. The idea that there are two New York Cities, one for the rich and one for the poor, was attacked as a divisive idea on the campaign trail, but resonated with voters living in an increasingly expensive city with higher income inequality than any other metropolitan area in the U.S. 

Follow David Brancaccio at @DavidBrancaccio