Too Long; Didn't Read
If you travel back in time to the early ages, you find <a href="http://amzn.to/2GEToBS" target="_blank">tribes</a>. Almost everyone belonged to a tribe. They worked for the common good. It’s still encoded in our genes. The only change being tribes are now called communities. You are part of different communities. You are an iPhone/Android fan, you may belong to a religious or an atheist community.