Washington - Jonathan Potter has resigned as executive director of the Digital Media Association (DiMA), a trade group representing the interests of larger webcasters and technology firms that he founded in 1998. "I am grateful to DiMA's member companies for allowing me to serve them -- and their innovative technologies and services and their passionate people -- for so long and in so many exciting ways. I hope that my next adventure is as challenging and rewarding," said Potter. DiMA general counsel Lee Knife will serve as interim executive director while the organization searches for a replacement. read more

London - The major record labels are reportedly concerned about the percentage of U.S. users likely to pay for ad-supported streaming music service Spotify's for-pay premium version, the Financial Times reported. Spotify, which is available in several European countries, had planned to launch in the U.S. in the fall, but recently said it would delay the launch to 2010. "We think Spotify is a great service but they're going to have to convince us they can convert enough people from free to paid subscriptions to make it worth our while," one label executive told FT. read more

Seattle - Amazon.com (NASD: AMZN) said on Thursday that reality TV singing star Susan Boyle's forthcoming album, "I Dreamed a Dream," has become the largest global pre-order CD in the company's history. Boyle racked up millions of views on YouTube for her performances on "Britain's Got Talent." read more

London - The BBC announced on Thursday that it has partnered with a number of U.K. radio broadcasters to launch an online radio player application that includes streams from every licensed station in the U.K. Set to launch early next year, the UK Radioplayer will offered live and on-demand content from more than 400 stations. Partners in the venture include RadioCentre, Global Radio and Guardian Media Group. read more

Los Angeles - News Corp.'s (NYSE: NWS) MySpace on Thursday introduced its own MySpace Music Charts, which will provide data on the most popular music amongst MySpace Music users. The charts will run across all genres, and include real-time data on current trends. read more