It took longer than I thought it would (because physical music sales still makes the monies) but digital music sales has finally topped physical music sales. According to Nielsen and Billboard, digital music sales accounted for 50.3% of total music sales, more than half the pie. What took so long?
This simple and powerful statistical graphic would make Edward Tufte proud: It shows all music sales since 1973, dividing them by media type, and presenting them like waveforms. Click to enlarge.
When Walmart made a special effort to remind us why DRM'd music should always be avoided by shutting down their authentication servers, the response must have been deafening. The world's largest retailer has decided to maintain its digital rights management servers for the present time “based on feedback from [its]…