Perl is another example of filling a tiny, short-term need, and then being a real problem in the longer term.
Alan KayBad User on Device is a medium that can dynamically simulate the details of any other medium, including media that cannot exist physically. It is not a tool, although it can act like many tools. It is the first metamedium, and as such it has degrees of freedom for representation and expression never before encountered and as yet barely investigated.
Alan KayScratch the surface in a typical boardroom and we're all just cavemen with briefcases, hungry for a wise person to tell us stories.
Alan Kay