This WSJ article (link below, reg req’d) is the first time I’ve heard of radio “multicasting,” but I think it’s brilliant. You have an industry with old technology (what’s on the radio?) and limited capacity (there are only so many stations on the dial). Before you knew it, competition (Sirius/XM) one-upped you on both. Yet they do it at a price: $120-150 a year. Your draw is a free service, so as long as you compete on technology and capacity, listeners will stay tuned.I would buy a digital radio in-dash player over satellite in a heartbeat. After the outlay of cash, the service is free! Even at $379, which Crutchfield lists for a Kenwood model, I could break even in 2 years.Plus NPR is going to multicast, which can only be a good thing. (Business and tech channels please!) Can’t say I’m as excited for Clear Channel’s offering though. Only way I’d listen to their crap is if they offered a 24-hour traffic channel, and even then you’d expect 21 minutes of ads every hour.Read more at online.wsj.com/article/…