Message: Only messages that are both memorable and sufficiently interesting to be passed on to others have the potential to spur a viral marketing phenomenon.

That philosophy has produced a marketing phenomenon: 300,000 calendars in print for this year and next, $750,000 raised for leukemia research.

And it - an environmental theme restaurant that calls itself "a wild place to shop and eat" - has become a marketing phenomenon.

The sport has been lapped by Nascar, the stock car series that is a marketing phenomenon.

The democratization of luxury, he contends, has been the single most important marketing phenomenon of our times.

Since going synthetic, the nodding dog has become a marketing phenomenon.

The trickle-down effect is a marketing phenomenon that affects many consumer goods.

And Martin went to Columbia to check on the marketing phenomena.

In 2010, Forbes Magazine referred to Lee as a "marketing phenomenon."

In her death she has become a marketing phenomenon.