Even though there are a few imposters out there, The Conversation Prism is still the original and IMHO the most thoughtful visualization of the social media landscape. JESS3 and I introduced The Conversation Prism at SXSW in 2008. Since then, it has undergone three iterations with the last being v3.0. I’ve good news to share. We’re working on v4.0, but we need your help to finish it. We’ve removed and added some categories as well as introduced and deleted many…