This is day 21 of 20-day blog challenge. Read day 20: “Will home-schooling breed hermits?”   I had heard about HootSuite a long while before I got a chance to really dig into it. I knew HootSuite was a leader in social media, and I watched as people like John Petrucci published posts and tweets via HootSuite. I finally gained access not only to the Pro level of HootSuite’s social media dashboard but also to HootSuite University, during a social media marketing course at Kennesaw State University (with instructor Tyra Burton who offers a very similar social media marketing certificate to anyone through the online continuing education college). I earned…