If the Iowa caucus taught us anything, it’s that elections and smartphone apps don’t mix well. An app that was developed to count caucus-goers in the state malfunctioned and caused major disruptions. Officials say no hacking was involved. But all of this, some say, proves the US is not ready to bring any part of its election process online. And yet, online voting is happening in the primaries and the general election. The World’s Lydia Emmanouilidou reports some voters will be casting their ballots through their smartphones and computers, despite security concerns.