I've always wanted to incorporate it into a mural or graffiti. Or car paint. There's a Gibson novel, I think, where the protagonist at some point obtains t-shi

I've always wanted to incorporate it into a mural or graffiti. Or car paint. There's a Gibson novel, I think, where the protagonist at some point obtains t-shirts with a pattern which is recognized by the universal DRM-enforcement code in video camera chipsets, making them invisible to surveillance.