Brilliant One Page marketing campaign by Burger King pitching the collaborative concept of the “McWhopper” to McDonalds. The Singe Page website features impressive parallax scrolling and colorful illustrations throughout. Interesting how they chose Tumblr as the platform to promote the campaign. FYI: here is McD’s response.
This website has unfortunately redesigned or gone offline, so I have removed the link to it. The screenshot below hopefully preserved a bit of the design for you.