An ad agency in brazil has designed a print ad that turns into a simply DIY iPhone speaker. The idea was to promote the one year anniversary of Coca-Coal.FM Brazils online radio platform.
Users are asked to roll up the magazine to create their very own Coca-Cola iPhone speaker.
Even thou this might be the first example in print and personally think its ingenious it does remind me of these
Paper Cup Speakers
Ceramic Paper speakers 2007