Debunking the three-click "rule"
A good layman's explanation of why designers should igore the "3-click rule". In reality some sites may be able to get users to the necessary content in fewer cases, in others, a better design may take more clicks in order to provide a clear interface that provides good "scent of information".

"for companies with many different types of products — or products with multiple options, modules or related products — the three-click rule can quickly become a very uncomfortable noose."