Elf posted a comprehensive links roundup (which may be more info than you wanted, but here it is:) http://elf.dreamwidth.org/2010/09/16/?style=site

For a slightly briefer links round-up, here's one from trinker: http://trinker.livejournal.com/281523.html

I know I've read a bunch of smart essays on the subject, but I can't remember who wrote any of them at this moment -- I'm sorry! My friendlist and dreamwidth circle both exploded around this issue a week or two ago, but people haven't been posting about it recently enough for me to remember who wrote what... :-/