The popularity of the iPod and iTunes Store is on the rise among teenagers, and that will play an important role in the continued success of Apple's music related offerings, according to Piper Jaffray analyst Gene Munster. Piper Jaffray's 13th biannual teen survey revealed that of 500 teenagers surveyed, the iPod market share grew from 79 percent in fall 2006 to 82 percent in spring 2007.

Analyst: iPod, iTunes Gain in Popularity Among Teens