Day 9 of 30-day blog challenge: read day 8 – “Why Google Plus is No Joke”     We all know the importance of human connection and a sense of community, but many of us may not know that Robin Dunbar claims 150 is the magic number when it comes to just how many people we can maintain a meaningful connection to. Or, at least Dunbar means our biological programming has us naturally grouping in communities of about 150.   I read an article by Chris Street, “I Culled Half My Facebook Friends…,” where Street made the point about quality over quantity even in the face of our psychological…