John Federico (@gadgetboy) talks with Sean Holladay (@seanholladay) of Crowd Mics about audience interaction, how to ensure that you’re getting…

John Federico (@gadgetboy) talks with Sean Holladay (@seanholladay) of Crowd Mics about audience interaction, how to ensure that you’re getting…
John Federico (@gadgetboy) talks with Chris Ostoich (@chrisostoich) from Lisnr about how ultrasonic audio can add new and powerful capabilities…