Amazon.com is an on-line retailer selling hardcopy and softcopy content (e-books, movies, CDs, etc.), and all kinds of merchandise.

FORBES: Amazon.com versus Apple: Who Wins?

We had hardcopy e-mails and printouts from the intervening time, but the back-ups were virginally blank of the last business week and a day.

FORBES: The Future

Self-publishing service Blurb will print your blog into a hardcopy book, though you have to create it, and unlike Hyperink, you have to pay for it.

FORBES: Hyperink Launches Blog to Book: Your Blog Published in a Month

Additionally, research has shown that the "median household" spent just "three dollars" about six times per year, showing that digital downloads aren't exactly "replacing the CD, " but rather complimenting hardcopy sales at best.

ENGADGET: iTunes sales "collapsing," blanket licensing to succeed?