by Anna McAfee | Featured Contributor “What tribes are, is a very simple concept that goes back 50 million years. It’s about leading and connecting people and ideas. And it’s something that people have wanted forever” says Seth Godin. You’d have to be living under a rock to not have recently heard the words ‘community’ and ‘tribe’. But why does it matter so much, and why does it matters now?  We need to take a look at the world, where we…