While much of the Midwestern United States was reeling from a record winter blizzard on Saturday, web e-tailer Amazon.com (AMZN) announced that the Kindle e-book reader (and much more) had become the most-gifted product in its history over the Christmas holiday. Although specific numbers were not available, Amazon.com also indicated that more electronic books for the kindle were sold than physical books -- another first.

Is Amazon's version of the transition from physical media to electronic media happening faster than it imagined? Maybe we can't go that far yet -- and the electronic restrictions will keep many away (including this writer), but Amazon clearly has a hit product here.

This post is part of a series on some of the most memorable companies that have disappeared.

What goes up, must come down. It was a cute ad. Who knew it would turn out to be so prophetic?

Pets.com will go down in history as a textbook example of dot-com flame-out, going from IPO to liquidation in nine short months.

Founded in 1998, the company, which had the bright idea of selling pet food and supplies to the public via the internet, went public in February 2000 and raised $82.5 million.