FeedForward Cards are a good measure to me of how my message is being received.  Sometimes questions are right on point to where I am leading the group.  Other times, the questions are things that I have already covered.  The lesson is that people hear things differently and the communication method that I use is not what that person needs.  Also, while I am talking, sometimes people drift into their own thoughts before re-engaging.  During that time, they missed all of that information I was trying to relay.

I take the responses, review them, and use the information primarily as a benchmark to myself, but also use as future topics for 1 & 7-minute presentations. I keep the responses at my office for reference.  I do not have a formal logging process for them.