I've done a lot of polling of my users and one thing I've noticed is that authenticated users provide much more useful feedback than "guests". Also, expect to g

I've done a lot of polling of my users and one thing I've noticed is that authenticated users provide much more useful feedback than "guests". Also, expect to get a very different response from people in poorer economic climates than others. Perhaps you could set up IP filters so you only poll users in your target countries? If so, this might be a great idea.