In barely six years, a small group of programmers in Silicon Valley built an $11.5 billion business out of the ashes of a failed podcasting company. Nick Bilton takes readers behind the scenes with a narrative that shows what happened inside Twitter as it grew at exponential speeds. This is a tale of betrayed friendships and power struggles as the four founders: Biz Stone, Evan Williams, Jack Dorsey, and Noah Glass went from everyday engineers to wealthy celebrities.