Earlier this week I had to take time to think before I responded to two different Tweets to me. One of which I discussed with a manager before answering. I know I did right in my answers, but I still feel, well, dirty about it.

My mantra in using social media has always been: Be Smart. Social networks are tools you decide how to use; you don’t let them use you. This includes doing all you can to know with whom you’re interacting and why.

First I responded to a Tweet from a journalist at a...