https://techcrunch.com/2020/02/04/iowa-caucus-app-disaster/ > A smartphone app designed to help announce the results of the Iowa caucus ended up crapping out and causing a massive delay by almost an entire day. > The Iowa caucus traditionally uses gatherings of people in counties across the state to determine which candidates they want to back for the presidential nomination. They use a paper trail as a way of auditing the results. While Iowa may have only 41 delegates needed out of 1,990 to nominate a Democratic candidate, the results are nevertheless seen as a nationwide barometer for who might be named to the ticket.