But that is not a requirement, and never has been.
The iPod can work with any music download site that doesn't use DRM. And there are many perfectly legal sites that fit this category.
hulugu said:
Real is scum, and Glaser's not really interested in freedom or choice, except for his choice to buy another Ferrari from his well-lined pockets, however he is ultimately right.
Real does not have the moral high ground here. They have a long history of filing lawsuits against third parties that try to make player software that can receive Real-format streams.
They want the ability to reverse-engineer Apple's tech, but the want to prevent anybody else from reverse-engineering their own.