Comment: Every blog has its own commenting interface (Score 1) on 2009.09.03 15:36
I've been meaning to comment on occasion, only to be greeted by captchas and other nonsense that made the barrier too high. Say about use.perl what you will, commenting works great.
Ironman bloggers: get a decent spam filter and stop relying on half-baked JS and captchas that only repel serious humans anyway!
