The Many Sides of Jack DorseyWith Twitter, Jack Dorsey changed the way the world communicates. His latest startup, Square, aims to transform how we spend money. Conversations with Jack Dorsey frequently veer into obscure subject matter. Job interviews pivot into 30-minute disquisitions on the New York Yankees. Press briefings transform into critiques of Virginia Woolf novels. A comment about Dorsey's game-changing startup, Sq
