A pair of heavily modified salvage phone booths packed with roof-mounted lasers and 1200 ultrabright LEDs to connect strangers and visualize their conversation.
Walk "through" Google's Grand Canyon "Trekker" street view photos, using a wrap-around screen and treadmill as your interface.
A Google Wallet demo unit which doesn't rely on cell networks in order to complete transactions.
The OTTO Developer Kit is a flat-pack cardboard laser cut camera which users assemble to turn their Raspberry Pi into a portable, wifi-connected smart camera.