Guest Post by Dr. Mark Drapeau – read his blog, follow him on Twitter You can’t eat whuffie, but it’s getting harder to eat without it, as Tara Hunt says in The Whuffie Factor.  For the uninitiated, think of whuffie as an alternative to money – a reputation-based currency that started as a concept in a science fiction novel, now being applied to online business. Hunt’s interesting central thesis is that in order to successfully change social capital into market…