Via Yahoo! Finance
"In his new research paper entitled, “Does Chatter Matter,” co-authored with former student Elaine Chang, NYU Stern Professor Vasant Dhar, an expert in the strategic implications of information technology, finds that the volume of blog posts featured on the Internet before an album’s release can significantly affect future album sales, and in turn predict sales for record labels. This is the first study to quantify the economic impact of user-generated content for the music industry."
Based on a sample of 108 albums released during the first two months of 2007, Professor Dhar found: