What if you could just have some settings: 1) I don't want to see any submissions from people who became "members" after me. 2) And, I don't want to see ANY com

What if you could just have some settings: 1) I don't want to see any submissions from people who became "members" after me. 2) And, I don't want to see ANY comments from people who signed up AFTER me. So the site stays about the same for ME. Even though it may look different to someone else.