If we date the takeoff point of the Internet as a dominant force in music culture to the turn of the millennium (the point at which broadband enabled the explosive growth of filesharing, blogging, et al.), it is striking that the decade that followed is characterized by the absence of epochal character. It's not that nothing happened ... it's that so many little things happened, a bustle of microtrends and niche scenes that all got documented and debated, with the result that nothing was ever able to dominant and define the era.