An ad for image mosaics caught my eye. You can see an online version here.
Basically, they created a mosaic of Lincoln using political campaign buttons. What a great idea! I wish I'd thought of that!
|Image mosaic of Lincoln|
|Close-up reveals that it's made of buttons.|
Oh wait, I DID have that idea. Or, more accurately, Craig Kaplan and I did.
It's from our 2008 NPAR paper.