How can we think about the security implications of IoT?

There is much buzz about the Internet of Things (IoT) these days.  But in what framework might it make sense to think about the security implications of IoT?  I'm sure there are likely many answers to that question, but I have included a few of my own thoughts in my latest piece in The Business Journals: http://www.bizjournals.com/bizjournals/how-to/growth-strategies/2015/12/how-to-think-about-security-implications-iot.html.