If K-type behaviour is not delivering the goods then it should never have come about in the first place.

ECONOMIST: Why, as people get richer, do they have fewer children?

"The current business model, selling low-margin goods and delivering them for free, is not viable for the long term, " says Rebecca Nidositko, senior analyst for online retail strategies at Yankee Group.

FORBES: Kozmo.com Pedaling To The Precipice?