The Stanford Lean LaunchPad class was an experiment in a new model of teaching startup entrepreneurship. This post is part five. Parts one through four are here, Syllabus is here. Last week the teams were testing their hypotheses about their Customers (who are the users, payers, buyers, etc.) This week they were testing one of the most confusing sections of a company’s business model – Customer Relationships - the activities used to “Get, Keep and Grow” customers in a physical or virtual (web or mobile) channel. (Internet investor Dave McClure coined the acronym ”AARRR,” to remember the parts of Customer Relationships on the web.)…read full post.