Apple's iAd engineers and sales personnel are preparing to handle new advertising duties to support Apple's new streaming music service nicknamed iRadio, Bloomberg reports. Apple hopes to launch the major new advertising-supported initiative next week at WWDC. In an extensive report, citing 'people familiar with the changes', Bloomberg reports that the company has been negotiating with major advertising companies to line up exclusive launch advertisers, similar to when it launched iAd in 2010. Apple intends to make its new radio service free to users and supported