UB Tech 2019: Carousel Digital Signage Shows Off New Hosted Digital Signage in the Cloud with iPad June 12, 2019 | Home / June 12, 2019 rave-video / UB Tech 2019: Carousel Digital Signage Shows Off New Hosted Digital Signage in the Cloud with iPad UB Tech 2019: Carousel Digital Signage Shows Off New Hosted Digital Signage in the Cloud with iPad, Apple TV or BrightSign