Use Vouchery.io with Presentain

Presentain helps speakers engage and grow their audiences. You use smartphone as a clicker and audience can connect to your presentation using their devices. They can ask you questions, participate in polls, send you follow-up requests, share your slides and more. While you present Presentain records your voice so when the presentation is over you can publish the slidecast (presentation slides with voice-over) and start growing your online audience.