Day one keynote speaker John Underkoffler (of "Minority Report" fame) discussed a possible new "gestural language" for gesture-interactive displays.

NEC Display Solutions' Keith Yanke showed off one of NEC's show highlights during a day one press briefing.

Brian McClimans from Peerless AV also showed off a Peerless highlight during the press briefing.

Jennifer Bolt of rVue (left) and Sue Danaher of the Digital Place-based Advertising Association (right) spoke about DOOH advertising during the show.

Planar highlighted its architectural digital signage.

And Planar's Jennifer Davis told about her company's new high-bright screens.

Flypaper drew a crowd to a demo of its content creation software.

And an MRI salesman showed off the multitouch capabilities of its BoldVu displays.

One of the show highlights for ComQi was its DisplayMirror solution. If you look closely at the display, you'll notice it's showing the people in front of it, on a slight time delay.

Erin Doherty of Four Winds Interactive showed off the firm's wayfinding solution.

And onlookers were drawn in by Four Winds' digital signage apps.

Digital menu board specialists WAND Corp. showed off its QSR solutions.

Korea's Samil CTS showed off its Samil Clear View transparent digital signage solution. See how the box's windows change in these three slides.

Reflect Systems showed off its new ReflectView 6 content management software.

NEC's booth showcased a video "graffiti" wall that allowed passersby to pick their spray paint, from color to thickness of spray.

A NanoLumens spokesman shakes one of the company's displays to show its flexibility.