Business Insider reports the Iowa Democratic Caucus descended into chaos on Monday .<br />That's when the reported malfunction of the Shadow app, meant to streamline the process, led to problems.<br />The results from Iowa began to come in about 24 hours after the caucus began.<br />Nevada, North Dakota, and Wyoming will join Iowa later this year in holding a caucus over a primary.<br />All three states say they expect to avoid a similar situation.
