I first saw this back in the late 1980s in New York City. Cellphones were a fair bit rarer than now, but there were lots of loonies walking around talking loudly to themselves. One of them had already grasped the idea of camouflage. He had built himself a cellphone out of some small box and had adorned it with a celery stalk antenna. He was walking around talking loudly to himself, but he had a big smile on his face. Clearly, he was a man ahead of his time.