Add a little high techness for my Zenith Porthole ...

[kvflyer]

And then, when I was visiting my kid in Australia, they had these things on signs throughout Melbourne, Victoria. What made me laugh was that some of the kids had used "White-Out" and "Magic Markers" and had altered those little black boxes and white boxes. Goodness only knows what came up when THAT image was scanned. I just walked by and chuckled to myself. Because I like to mess with people so it fit the bill...