What kind of digital radio are listeners searching for?

What a cool analysis Google now provides via Google Trends. It’s what folks are searching for – and we can assume that search is a representation of interest.

Here, for example, are the comparitive search metrics for “Sirius,” “xm,” and “HD Radio”:

Check out what all the event flags represent by clicking here.

HD Radio is blue. XM is red. Sirius, orange.