When you're logged in and visit a profile, all you have do is click on the photo, video or the date the status was published... then you can leave a comment!
When you write an article, you can now choose if you want to accept comments!
Now when you post a comment, the smileys automatically become... well smileys ;)
And Skyrock URLs become clickable!
So EASY! You can moderate all your comments directly from your profile by clicking on the little red cross in the top right-hand corner.