Billboard Finally Adds Spotify, Rhapsody, Digital Streaming To Chart

Billboard Magazine's Hot 100 chart is finally joining the digital revolution with the addition of digital music services like Spotify and Rdio to the radio airplay and digital song sales that currently define it.  Editorial Director Bill Werde, told the Wall Street Journal that the magazine had waited to update its charts because music streaming services "have only recently hit a critical mass".  A full list of the services added to the chart:

• Spotify
• Rhapsdy
• Rdio
• Slacker
• Cricket's Muve Music
• MOG

Still missing is, at the very least, music on Youtube.