Like most others, my blog is IC private, OOC public.
I've been writing in it for a little over a year with fairly regular updates, and in all that time, I can really only name 2 or 3 times at most that anyone has used the information to metagame. And of those times, I usually have went along with them knowing the information because it made for more interesting RP for them to know. The one time I did get a little annoyed is when some random person posted on the IGS, using my entire blog as public knowledge. I was in PIE at the time, and Gaven (my old CEO) quickly shut them up.
I love to write about my character's experiences, and I love to read other people's blogs as well. Long before I ever met Morwen or Vincent or several others, I was huge fans of their blogs and would read them religiously. It was always pretty exciting to meet the people I'd be reading about for so long.
I think for the most part, the RP community does not metagame. Though from reading this thread, it is obvious enough of us have encountered it that it can be a problem. I just say to ignore the person, block them, whatever. We don't have to put up with it, really. I just hope everyone does continue to write, c'mon people, give me something to read while I'm at work! :p
- Shalee