Common sense...
@ Martin Summers
The chap up the screen mentioned the word perfect icon so we are talking about some time ago. There may have still been a lot of DOS computers around, and the Amstrad PCW may have been more common than a Windows machine.
I'm seeing the other end of this one - 16 year olds today spend many more hours on mobile interfaces than they do on Windows and it is beginning to show. Try asking about backups of work...