The document discusses the Six Thinking Hats method created by Edward de Bono for parallel thinking. It describes the six different colored hats that represent distinct modes of thinking: white for facts, red for emotions, black for the negative view, yellow for benefits and positives, green for creative alternatives, and blue for process control. The method allows groups to think constructively by having everyone focus on the same thinking mode at once before switching hats. It provides advantages like using everyone's intelligence, saving time in meetings, removing ego, and focusing on one topic at a time. Steps for applying the hats in a thinking session are outlined.