It's easier — and cheaper — than you'd expect to hack a cellphone, say a team of white hat hackers. iStockPhoto.com hide caption

A still of Jay-Z from the commercial for his new album. YouTube hide caption

Taj Mahal is credited with helping popularize American blues over the course of his five-decade career. Jay Blakesberg/Courtesy of the artist hide caption

The Ouya game console and controller. Games are sold through something like an app store, allowing customers to sample them before buying. Courtesy of Ouya hide caption

Blake Morgan's songs were played some 28,000 times over a 90-day period on Pandora, earning $1.62 in royalties. Jim Herrington/Courtesy of the artist hide caption