Simple. Because many ideas are stupid. We all admire imaginitive
speculation, but when all those marvellous ideas have been thrown
into the soup, the next task is to sort out those that might stand
some chance of being useful, and discard the others without remorse.
That's how progess is made: evolution by mutation and /selection/.
-- Lee Daniel Crocker <lee@piclab.com> <http://www.piclab.com/lcrocker.html> "All inventions or works of authorship original to me, herein and past, are placed irrevocably in the public domain, and may be used or modified for any purpose, without permission, attribution, or notification."--LDC