I went to the My Comments tab off the left, fixed navigation menu. I got this message:
"This tracks comments you’ve made across WordPress.com so you can see when people reply to you. It will show your comment, one before yours, and replies after yours. The thread with the latest replies will be at top. See this announcement for more information.
You’ll need to make some comments before you can use this feature. Check out the tag surfer or blogs of the day for posts you may be interested in."
I've been blogging for a long time, and already have comments. Anyone else having this problem?