An interview of Warren Spector on Gamasutra. Some excerpts I was interested in:

Gamasutra: You've been a long time proponent of single player roleplaying experiences, what do you think of MMOs?

WS: Honestly, I don't much care for them. If I'm going to have a social experience, I'd rather have it in person. I feel like a blind, deaf and dumb person watching a movie while I'm playing an MMO because the social experience is really shallow. Again, this is one of the things I'll end up talking about at the GDC, but I'm, perhaps to a fault, a story person. I really need narrative. The level of narrative that people have been able to achieve in MMOs has been so shallow. I'm one of those people who doesn't find anything interesting at all in leveling up, finding a +3 sword or paper-dolling a character with a purple cloak. That doesn't appeal to me in any way as a human being. Put that all together and the play experience of MMOs is on par with roleplaying back in ‘87. In all fairness, my wife is a World of Warcraft addict. (...) I think if someone solves the problem of “I don't want to interact with 10,000 of my personal friends, ever, and somehow make 10,000 people all be the hero of a compelling story,” then I'll be a lot more interested in that game style.

Why do I blog this? even though I do not agree with him, it's interesting to hear his argument about MMO. His background in writing might explain this stance and the way he thinks about game design is a different approach that can be good to take into account. (There is a lot more to draw in this interview)