Cascara, what is it?

Did you know that coffee beans are actually the seed of a cherry-like fruit? It’s true, the toasted brown beans you grind and brew are the pair of seeds found at the centre of a coffee cherry. Similar to the summertime cherries you know and love, coffee cherries have a sweet and often red skin. If only the seeds are harvested to be ground in your kitchen, what happens to the actual fruit?