Chris Ostoich, Co-founder, Lisnr

John Federico (@gadgetboy) talks with Chris Ostoich (@chrisostoich) from Lisnr about how ultrasonic audio can add new and powerful capabilities to your events like Proximity Location Awareness, Access & Security, Digital Signage, Analytics, Payments & Transactions – and more.

You can reach Chris via Twitter or email at chris@lisnr.com.

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