What Use Is An F-call?

What use is an F-call? Amateur Radio is a moving feast of people, coming and going, gaining interest, loosing interest, having time, running out of time. Every week there are people joining and people leaving the hobby. Fortunately the Foundation License seems to be increasing the size of the hobby quicker than the number of people leaving through choice or not. One of the things that strikes me is that there is a small group of amateurs with foundation licenses who can be heard on-air, but there is a large contingent of licensees that are hardly ever heard from. Of course it's possible that some of those F-calls never even purchased a radio, or that their circumstances changed by the time their license came through, but overall I'd expect to hear more people on air than I do. So what is stopping those new amateurs from participating? Why are they shy to push on their magical microphone key and have a go? Rather than answering the question, perhaps you might ask yourself if there is anything that you coul