Online, record labels and digital shops like iTunes and Amazon now regularly promote deluxe versions of albums, which offer bonus content for a premium price.
There are alternative digital shops (try Good Old Games, Green Man Gaming or EA's own Origin store), but Steam dominates the market.
Mr. Caplan, who is also 51, said: "One reason I decided to move to a shop with a core digital competency is that some of the great work is being done by the digital shops.
As a device-neutral, rich-content provider, Borders will sell the Kobo eReader along with a variety of other eReading devices in Borders stores in special digital shops called Area-e™, launching in August.
It's not surprising that the man behind one of the first digital shops recently published the world's first full-length interactive business book exclusively to the iPad.
"If you look at the biggest of the digital shops," she said, "they're starting to become full-service communication shops that come in through the digital door".
