MP3

How Sony’s Walkman Changed the World

Andreas Pavel was getting tired of being laughed at. It was 1977, and the German-born inventor had made appointments at all of the major electronics companies—Yamaha, Grundig, ITT, etc.—and each had sent him packing.

Data Points: Tweens and Their Screens

Preteens are at the forefront of technology. They're not only using gaming systems, CD players and TVs, they're likely to have their very own, a new study by Mindshare shows.