Net Rage, Catalyst's new study of blogs and usability concludes that "consumer acceptance" of the medium may be delayed by a range of different issues affecting navigation, taxonomy and nomenclature. It's a little odd that the study concentrates exclusively on blogging as a one to many platform, as many of the usability issues pinpointed here will also have tried the patience of bloggers themselves.
Clearly blogs have their own taxonomy requirements and the first generation of blogging platforms have yet to establish universal conventions that will survive the test of mainstream uptake. However, some of the RSS usability load may be absorbed by the next generation of browsers.