1.0 link Rainbow Dash Network http://rainbowdash.net/ ★ (starshine) http://rainbowdash.net/starshine http://rainbowdash.net/notice/239498 @<span class="vcard"><a href="http://rainbowdash.net/user/7" class="url"><span class="fn nickname">rotation</span></a></span> The other problem is if someone replies to something SFW with NSFW, or vice versa. That would result in a chopped-up and nonsensical timeline. Think about if you mute/ignore someone locally in a chat, but they're participating in the conversation - you lose a lot of the context and it's very hard to follow along. I strongly doubt anything like that would work out.