I don't see that they clarified anything. I will probably be changing my URL **ONLY** because it comes up for renewal in June anyway and I don't feel like paying for a new year of it just to have it be a pain in my ass down the road, but I pretty much refuse to pepper my blogging with (TM) or (R) or (C) when all I want to do is share my experience, some pictures, and talk about what I did. My blog was INVITED to be part of the LL/
SL fansites (as were countless, countless others) and they've been referring people out to see our sites and our services for a very long time. That's a mountain of implied consent, and until they specifically, to me, remove their consent they gave me directly in December when a Linden asked me if they could link to me as a fansite they can pretty much pound sand.
I am more inclined to remove all reference to Second Life from my blog entirely and just refer to it as something NOT copyrighted, like 2L, or only reference my "virtual experience." Whether or not I put the "appropriate trademark reference" in the header of my blog or my sidebar or somewhere else to make it EASIER ON MYSELF to comply with their totally cattywhompus rules, it's still absolutely wrong of them to do. My blog, I pay for it, I write it. To paraphrase another blogger I read today, I do not use trademarks when I write about Coke, or my Ford Mustang, or the fact that I'm going to Panera Bread for lunch. Second Life isn't going to get any special treatment from me.