RAIN: Radio And Internet NewsletterAccording to speakers at Radio And Internet Newsletter’s RAIN Summit West 2012, Internet radio and digital audio advertising is on track for a strong ad year in 2012 with solid CPMs and a growing local revenue base.

However, since only about 15% of listeners have shown a willingness to opt for a subscription model, online music providers are experimenting with various registration programs to increase the amount of information available to advertisers and help boost ad revenues.

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