Home » BBC News - Technology » technology news » 'Walkie talkie' app Zello tops App Store during hurricanes 'Walkie talkie' app Zello tops App Store during hurricanes Unknown 5:25 AM BBC News - Technology technology news The app was downloaded one million times in a day as people sought rescue during the US hurricanes. from BBC News - Technology http://ift.tt/2jieOgs Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati