Emacs

Phil Windley knows...

If your editor isn't programmable, you're missing out!

Of Course

Nat Torkington in the O'Relly Radar gets the future about right...

Oh no, banks are still writing Java code—and their new programmers only want to use Smalltalk...

And there'll still be 5% of the marketplace saying of whatever new language is being created, "of course, this was first done more elegantly in Lisp."