Daniel White collects viruses. But not simply destructive ones: in the era of DOS particularly, a virus could be a work of art made by someone who wanted to show off coding prowess, not sheer brute force. Some viruses rearranged the letters like a game of Tetris; others showed intricate animations like lava or a snowfall. Wired profiles White and his years of work as a hobbyist virus curator — with plenty of GIFs and historical context.