I have simply had enough of leaving what I feel are worthy contributions to the discussion on blogs using the Akismet plugin for comment spam, only for the comments not to appear, or worse, seeing pingbacks from the 100s of blogs that scrape my RSS feeds, but not my own pingbacks appearing.
Akismet
I am going to have to come up with an alternative way to comment
The false positive percentage in my personal experience must be the wrong side of 50% in recent weeks for comments, especially on blogs where I haven't commented before, and I have a feeling it is probably

Typepad AntiSpam