[cjslep]

"There ain't no such thing as a free lunch" from Heinlein's The Moon Is A Harsh Mistress, a highly recommended read.

[lsaferite]

Oh, I already looked it up. :) I was just realizing that it's not a hard problem to solve and sites could easily automate this, so they should. I guess you could argue that the browser could solve it as well. Or people could just write it out instead. :o

[maxerickson]

It's the kind of problem extension apis are really good for. I found this one:

http://abbrex.com/

[GFK_of_xmaspast]

It's most handy as a (weak) indicator of pomposity and / or libertarianism on the part of the user.