Look across the black grid with white streets. Notice the faint grey ghostly smudges that appear at the intersections, but vanish the moment you look directly at them?
💬 Try counting the grey dots! Can you ever catch one looking straight at it? (Solution in first comment 👇)
Stare fixedly at the black cross in the center for 15 seconds without blinking. What happens to the purple dots, and what color emerges in their place?
💬 Did the purple dots completely vanish for you? Did you see the green running dot? (Solution in first comment 👇)