Today's post first appeared in my newsletter this week. There is only one essential job for marketing - to acquire customers. Everything else marketing does is a footnote. This is why the current obsession with social media is largely misguided. People are far more likely to use social media to follow a brand they currently use than a brand they don't. It is very reasonable to assume that the vast majority of people following your brand on social media are already customers. And usually they are a tiny component of your user base - well under 1/10 of one percent. Consequently, most of the money you spend on social media is spent talking to a tiny group of people who are probably already using your brand. Every hour and dollar spent talking to these people is a dollar and hour not spent on acquiring new customers. The justification for this is usually some fuzzy nonsense about "brand love." It comes from that infantile school of marketing that believes if you...