The actual deal to merge the top two U.S. satellite outfits and create a category-killer behemoth with 18 million subscribers is now beside the point.

FORBES: Chief Executive Charles Ergen

Apple Chief Executive SteveJobsSteve Jobs' tiny iPod has turned his company into a category killer for the digital era--first wiping out music stores and now, potentially, the corner video store.

FORBES: Magazine Article

But Wal-Mart (nyse: WMT - news - people ), the antithesis of a category killer with aisles stocked with a vast spectrum of products, is posing a dire threat to this way of business.

FORBES: Wal-Mart's Next Victims