Compatability worries fuel battle over iPod law

This Toronto Star article by Michael Geist includes:

Apple, along with rivals such as Sony and Dell, use proprietary formats that limit consumers' ability to easily transfer songs between competing devices, leaving some fearful that their investment in digital music files will permanently be consigned to a single device that may become obsolete.

While not discussed in this article, many believe that these incompatibilities are a far greater contributor to the decline of music sales than the unsubstantiated claim that unauthorized P2P distribution is the source. The lack of a guarantee of vendor neutral standards is one of the reasons why I do not purchase digital media.