The DRM Debate
What’s troubling to Apple presumably is that overall growth in iTunes sales, while extraordinary, are exhibiting structural weaknesses and indicate longer-term declines.
On the other hand, it’s easier to calculate the impact user-generated content has on items such as mobile phones. Video- and picture-enabled players have demonstrably impacted market segment growth. The simple measurement of online services to support the growth of digital mobile phone content indicates exponential growth.