Matt Jones on Bread Crumb trails as a web GUI feature. They tend to reassure users rather than be a crucial part of the interface... If you don't have a highly-structured service, or screen-space is at a premium, there may be better ways to spend your effort and pixels in the service of users... On ICan we're tryng to give people lots of these crumbs with which to make their own way with what best suits them. Relevant to thinking about Hierarchal Structure of ZWiki sites.

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