In the latest — and henceforth greatest — episode of On The Verge, Microsoft principal researcher Andy Wilson brought out his fully interactive multitouch projector for a live demo featuring Josh in his new role as "stage prop." Snappy fashion accessory or safest way of doodling on the person standing in front of you in a line? That's the new age-old question. Enjoy Andy's demo in the video below. The full episode will be up on Monday at on.theverge.com.