If you read the news at all, you probably think that the CD format is dead and buried, but that's far from the truth.
Last year there were more than 170 million CDs sold in the United States alone that could be counted. No one knows exactly how many were actually sold, since so many sales (like direct sales at gigs and online from an artist's website) are under the Soundscan radar.
But as we've recently seen from Adele, there's a large audience out there that will happily buy a CD, sometimes even along with streaming the same music online.
The following graphic from a recent BPI report shows the reasons why many people continue to buy and use CDs.