culture is a perpetual living social contract. its expressed through personal interactions. the way you dress and speak, the hobbies you share with friends and family: expressions of culture are influenced by proximity to nodes about your tangible social graph. high time investment 

digital culture is borderless, timeless. expressed through media as memes. trends may fade but the collateral doesnt. intangibles based social graph, nodes not bound by physical poximity.  understanding is to fit in. low time investment expectations