Last week Fred wrote a post on marketing that attracted a lot of comments and replies – in part because it had some “bugs” but more because it was provocative. One thing that seemed missing from the discussion (and given that there was so much I may simply have overlooked it) was the relationship between customer acquisition and network effects. I am going to use the word customer acquisition to mean the entire set of tactics (PR, marketing, advertising and even sales) that results in new cus...