If you've got them, I likely don't comment there. Just sayin.
Mostly, I can't. Especially if you've got that cute little comment verification thingy turned on. My system blocks it as spam, and I'm too lazy to figure out how to get around it. And I bet I'm not the only one.
So, if you're sitting around, clicking your fingernails on the desk, wondering where everybody is, especially if you see people there in your sitemeter, well...