One observer takes a look at how HD Radio is doing as measured by Google Trends.
“Relative to consumers doing online searches for HD Radio (which you’d think represents a fair portion of activity for a product that is mostly found online, only), HD Radio still has room for growth,” says Audio Graphics, which is run by Ken Dardis, in his post, “How Is ‘HD Radio’ Ranking in Search?”.
HD Radio and Google Trends
HD Radio and Google Trends