Mobile Apps Driving Video Game Sales
Consumers spent a total of $5.9 billion in the second quarter on video game hardware, software, and other content, according to market research firm NPD Group.

'ANGRY BIRDS': An image of the popular video game 'Angry Birds' is displayed on an iPod Touch earlier this year in San Anselmo, Calif. Consumers spent $1.85 billion on mobile gaming apps in the second quarter. Justin Sullivan/Getty Images
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