Often, after a brand begins to slip in the marketplace or disappears altogether, commentators observe, "all brands have their day." Their rationale is that all brands, in some sense, have a finite life and cannot be expected to be leaders forever. Other experts contend, however, that brands can live forever, and long-term success depends as much on the skill and insight of the marketers involved.
Brands cannot be expected to last forever versus there is no reason for a brand to ever become obsolete.