In this issue:
"How Marissa Mayer Mobilized Yahoo": Almost three years in, Mayer's Yahoo is still a work in progress. But it's made real progress in reinventing itself for the smartphone era.
"The Messy Business of Reinventing Happiness": Disney's radical plan to modernize its cherished theme parks.
"HBO to Netflix: Bring it On": HBO's quest to win the streaming wars became a binge-worthy drama as juicy as Game of Thrones.