iTunes? Old news. Radio? Ancient history. Buying a new CD? Maybe every now and then. But the most popular way today’s teens discover music is through clicking around on YouTube. That’s the finding of a new study by media research firm Nielsen. Its Music 360 report set out to learn how music is found, purchased …

We already knew about YouTube’s redesign, which tech-savvy readers have been enabling for the past 10 days. As of now, however, the new YouTube is available to everyone. Unlike parent company Google, which tends to roll out redesigns over a period of days, YouTube pressed the button and switched the homepage for every user worldwide …