An area of the exhibits are dedicated for practical teaching. I raced with GDG lead and Google Tour co-organizer Andrew Runner who can disassmble a Dell server faster.

On mobile devices click on the cardboard icon to use a VR headset to look around
Look around with directional swipe gestures on touch screens, or use the top-left Google Street View like controls of the YouTube video. Use cardboard or VR headsets if available for more immersive experience.