When Crocs$$ unique line of work$-$oriented clog shoes were first introduced in the early $2000$s$,$ only the most adventurous dared wear them in public, which meant that sales were low. Soon, though, consumers of all ages were seeing the benefits of a low$-$cost$,$ waterproof, comfortable shoe with a style that defied traditional fashion norms. Sales of Crocs skyrocketed in $2007,$ and soon, the company was so successful that it struggled to keep up with demand. As trends evolved, the demand for Crocs declined, and the company nearly filed for bankruptcy in $2008.$ The $\_\_\_\_\_\_\_\_\_\_\_$ of Crocs was an extreme example of what happens with novel products.