The 50% Discount/rebate policy at retail sale. It ranks right up there with the emergence/awakening of self awareness, utilization of fire/technology, discovery of agriculture and homesteading, enables a new personal and temporal universe application of spirituality.

Why? Because it awakens the route to a human serving economics, utilizes the technology of accounting/double-entry bookkeeping to anchor a personal and temporal universe reality of abundance at least comparable to the discovery of agriculture and the collective power of unitary social action and last but undoubtedly most importantly it integrates the inward looking processes of spirituality (meditation and prayer) with a continuous and everyday outward/temporal universe opportunity to experience the key natural philosophical/spiritual aspects of the concept of grace as in love in action, namely Gratitude for Gifting, and thus opening the way to a greater oneness spiritual advance.