Check out this novel bit of storytelling from Honda (not embeddable, but understandably): Two films play simultaneously, and you hold down the R key (playing on the Civic Type R branding) to toggle between them. I’ll let you see the rest for yourself.
[Via Alex Powell]
Would be great to hear more about how they are doing this within the google/youtube framework? Can anyone with a youtube account develop dual overlay video with option to switch between the two?