MONEY: Enhances speed of transaction, Obsolesces barter, Retrieves potlatch (conspicuous consumption), Flips when pushed to its limit becomes credit. Multi-Media:TheLawsoftheMedia MarshallMcLuhan;KathrynHutchon;EricMcLuhan TheEnglishJournal,Vol.67,No.8.(Nov.,1978),pp.92-94.