Sony and others ware distributing virus and spyware type programs with some of their audio CD's. HD Radio will have problems. The RIAA, ASCAP, BMI, and performers rights organizations have said they will not grant HD Radio stations music licenses and broadcast rights to digital radio stations once the receivers are mass produced without digital copy protection in the HD radios. This has scared off most of the large radio manufacturers that have the capacity to mass produce large numbers of HD radios. They don't want to be involved in the huge lawsuit that the music industry has promised. Here are some links:
HD Radio may well wind up being only able to digitally play music from a hand full of unsigned independent musicians that are already available for download on the internet. All this and digital jamming of analog stations too. The iBiquity version of digital radio, HD Radio, is a hoax.