icfu wrote:To make breadcrumbs perfect, they should of course be equipped with additional popup functionality for subdirectories, known from ShortPopUp, menuApp and the like, so you can also switch to directories located in a lower hierarchy level.
"A mouse-over feature over path segments" -even without a clickpdavit wrote:3. [...] What could be even more intuitive, simple and fast is to have a mouse-over feature over path
segments that will generate a tooltip-type list of the folders in link form.[...]

So many excellent ideas. A combination of these two features would beat the rest.