Croatian creative agency Bruketa & Zinić have designed an annual report for food company Podravka that has to be baked in an oven before it can be read [1].
Links:
[1] http://www.dezeen.com/2007/11/13/well-done-a-food-company-annual-report-that-has-to-be-cooked-first/
[2] http://technorati.com/tag/advertising news