DSE 2016: Solus Robots Intros Digital Signage Robot for Advertising on Wheels March 17, 2016 | Home / March 17, 2016 rave-video / DSE 2016: Solus Robots Intros Digital Signage Robot for Advertising on Wheels DSE 2016: Solus Robots Intros Digital Signage Robot for Advertising on Wheels