Digital Billboards Digital Billboards from Gabriel Ratliff Digital Billboards The Aluminum Show (static) - Digital marquees for City of Denver billboards promoting The Aluminum Show (2011). Blue Man Group (static) - Digital marquees for City of Denver billboards promoting Blue Man Group (2010). Mamma Mia! (static) - Digital marquees for City of Denver billboards promoting Mamma Mia! (2010). Rock of Ages (static) - Static billboard for Rock of Ages (2011). gLike Digital Billboards Interaction Design Share R 7 n Gabriel Ratliff Multimedia and Visual Design Professional Denver, CO Follow Contact