What Use Is An F-call?

What use is an F-call? Over the past few months I've had the opportunity to operate several special event calls commemorating or celebrating several different activities, from anniversaries to special one-off events, all with the aim to get on air and make some contacts. Making contacts is a pretty straight forward affair. It's exactly the same as making contacts with your own callsign with one notable difference, logging or the making a record of the time, band and mode of a contact. As everything in Amateur Radio, there is a multitude of solutions to be had, from logging on paper, to logging in special books, to logging on a computer using a variety of software, through to automatic logging. Each has their benefits and hindrances. Logging is an activity that is used for a range of activities, so some solutions are catered specifically to those activities, from making casual contacts through to keeping track of which countries you've worked, operating in a competition or operating a DXpedition. This mean